ghsa-83gm-5269-qr3v
Vulnerability from github
Published
2022-08-26 00:03
Modified
2022-09-01 00:00
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

A symbolic link issue was found in rpm. It occurs when rpm sets the desired permissions and credentials after installing a file. A local unprivileged user could use this flaw to exchange the original file with a symbolic link to a security-critical file and escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-35938"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-08-25T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "A symbolic link issue was found in rpm. It occurs when rpm sets the desired permissions and credentials after installing a file. A local unprivileged user could use this flaw to exchange the original file with a symbolic link to a security-critical file and escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
  "id": "GHSA-83gm-5269-qr3v",
  "modified": "2022-09-01T00:00:21Z",
  "published": "2022-08-26T00:03:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-35938"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rpm-software-management/rpm/pull/1919"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rpm-software-management/rpm/commit/25a435e90844ea98fe5eb7bef22c1aecf3a9c033"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2021-35938"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1964114"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1157880"
    },
    {
      "type": "WEB",
      "url": "https://rpm.org/wiki/Releases/4.18.0"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202210-22"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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