Vulnerability-Lookup

ubuntu-cve-2016-2779

Vulnerability from osv_ubuntu

Published

2017-02-07 15:59

Modified

2026-04-22 07:37

Summary

Details

runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

Severity

7.8 (High)


                    
                      CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2016-2779	REPORT
	http://www.openwall.com/lists/oss-security/2016/02/27/1	REPORT
	http://marc.info/?l=util-linux-ng&m=145694736107128&w=2	REPORT
	https://github.com/util-linux/util-linux/commit/a…	REPORT
	https://github.com/util-linux/util-linux/commit/2…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2016-2779	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "bsdutils",
            "binary_version": "1:2.27.1-6ubuntu3.10+esm2"
          },
          {
            "binary_name": "libblkid1",
            "binary_version": "2.27.1-6ubuntu3.10+esm2"
          },
          {
            "binary_name": "libfdisk1",
            "binary_version": "2.27.1-6ubuntu3.10+esm2"
          },
          {
            "binary_name": "libmount1",
            "binary_version": "2.27.1-6ubuntu3.10+esm2"
          },
          {
            "binary_name": "libsmartcols1",
            "binary_version": "2.27.1-6ubuntu3.10+esm2"
          },
          {
            "binary_name": "libuuid1",
            "binary_version": "2.27.1-6ubuntu3.10+esm2"
          },
          {
            "binary_name": "mount",
            "binary_version": "2.27.1-6ubuntu3.10+esm2"
          },
          {
            "binary_name": "util-linux",
            "binary_version": "2.27.1-6ubuntu3.10+esm2"
          },
          {
            "binary_name": "util-linux-locales",
            "binary_version": "2.27.1-6ubuntu3.10+esm2"
          },
          {
            "binary_name": "uuid-runtime",
            "binary_version": "2.27.1-6ubuntu3.10+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "util-linux",
        "purl": "pkg:deb/ubuntu/util-linux@2.27.1-6ubuntu3.10+esm2?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.26.2-6ubuntu3",
        "2.27-3ubuntu1",
        "2.27.1-1ubuntu2",
        "2.27.1-1ubuntu3",
        "2.27.1-1ubuntu4",
        "2.27.1-3ubuntu1",
        "2.27.1-4ubuntu1",
        "2.27.1-6ubuntu1",
        "2.27.1-6ubuntu2",
        "2.27.1-6ubuntu3",
        "2.27.1-6ubuntu3.1",
        "2.27.1-6ubuntu3.2",
        "2.27.1-6ubuntu3.3",
        "2.27.1-6ubuntu3.4",
        "2.27.1-6ubuntu3.6",
        "2.27.1-6ubuntu3.7",
        "2.27.1-6ubuntu3.8",
        "2.27.1-6ubuntu3.9",
        "2.27.1-6ubuntu3.10",
        "2.27.1-6ubuntu3.10+esm2"
      ]
    }
  ],
  "aliases": [],
  "details": "runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal\u0027s input buffer.",
  "id": "UBUNTU-CVE-2016-2779",
  "modified": "2026-04-22T07:37:56Z",
  "published": "2017-02-07T15:59:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-2779"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2016/02/27/1"
    },
    {
      "type": "REPORT",
      "url": "http://marc.info/?l=util-linux-ng\u0026m=145694736107128\u0026w=2"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/util-linux/util-linux/commit/a0a8e9884443601abf9f06b715f2f6bb0820cbad"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/util-linux/util-linux/commit/23f75093264aae5d58d61016cb1a29d8ebdfa157"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-2779"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-2779"
  ]
}

CVE-2016-2779 (GCVE-0-2016-2779)

Vulnerability from cvelistv5 – Published: 2017-02-07 15:00 – Updated: 2024-08-05 23:32

Summary

runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

3 references

URL	Tags
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2016/02/27/1	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2016/02/27/2	mailing-listx_refsource_MLIST

Date Public

2016-02-25 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T23:32:21.161Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922"
          },
          {
            "name": "[oss-security] 20160226 CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/02/27/1"
          },
          {
            "name": "[oss-security] 20160227 Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/02/27/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-02-25T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal\u0027s input buffer."
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-02-07T13:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922"
        },
        {
          "name": "[oss-security] 20160226 CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/02/27/1"
        },
        {
          "name": "[oss-security] 20160227 Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/02/27/2"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-2779",
          "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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            }
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        "problemtype": {
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                  "value": "n/a"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922",
              "refsource": "MISC",
              "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922"
            },
            {
              "name": "[oss-security] 20160226 CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2016/02/27/1"
            },
            {
              "name": "[oss-security] 20160227 Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2016/02/27/2"
            }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "dateReserved": "2016-02-27T00:00:00.000Z",
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}

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.

Action not permitted

ubuntu-cve-2016-2779

Vulnerability from osv_ubuntu

CVE-2016-2779 (GCVE-0-2016-2779)

Tags

Sightings

Nomenclature