GHSA-MQ66-VCFC-8246

Vulnerability from github – Published: 2022-02-15 01:13 – Updated: 2024-09-25 19:41
VLAI
Summary
Mercurial Path Traversal/Link Following vulnerability
Details

A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository.

Severity
5.9 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "mercurial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-3902"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22",
      "CWE-59"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-05-01T16:49:25Z",
    "nvd_published_at": "2019-04-22T16:29:00Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial\u0027s path-checking logic and write files outside a repository.",
  "id": "GHSA-mq66-vcfc-8246",
  "modified": "2024-09-25T19:41:29Z",
  "published": "2022-02-15T01:13:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-3902"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3902"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2019-188.yaml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00024.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4086-1"
    },
    {
      "type": "WEB",
      "url": "https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.9_.282019-02-01.29"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mercurial Path Traversal/Link Following vulnerability"
}



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