ghsa-fq9q-7wp8-gpr7
Vulnerability from github
Published
2022-08-24 00:00
Modified
2022-08-27 00:00
Details

An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2021-23177"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-08-23T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges.",
  "id": "GHSA-fq9q-7wp8-gpr7",
  "modified": "2022-08-27T00:00:46Z",
  "published": "2022-08-24T00:00:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23177"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libarchive/libarchive/issues/1565"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2021-23177"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024245"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html"
    }
  ],
  "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"
    }
  ]
}


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