ghsa-8fq6-p869-285x
Vulnerability from github
Published
2023-12-19 15:30
Modified
2023-12-22 12:31
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Details

When resolving a symlink, a race may occur where the buffer passed to readlink may actually be smaller than necessary. This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-6857"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-12-19T14:15:07Z",
    "severity": "MODERATE"
  },
  "details": "When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. \n*This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected.* This vulnerability affects Firefox ESR \u003c 115.6, Thunderbird \u003c 115.6, and Firefox \u003c 121.",
  "id": "GHSA-8fq6-p869-285x",
  "modified": "2023-12-22T12:31:46Z",
  "published": "2023-12-19T15:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6857"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1796023"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202401-10"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5581"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5582"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2023-54"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2023-55"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2023-56"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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