GHSA-W32V-C4GG-XC8P

Vulnerability from github – Published: 2022-05-24 17:16 – Updated: 2022-05-24 17:16
VLAI
Details

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2020-12278"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-706"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-04-27T17:15:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352.",
  "id": "GHSA-w32v-c4gg-xc8p",
  "modified": "2022-05-24T17:16:36Z",
  "published": "2022-05-24T17:16:36Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12278"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed01"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300cb"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libgit2/libgit2/releases/tag/v0.28.4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libgit2/libgit2/releases/tag/v0.99.0"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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.