github - ghsa-7c49-j253-wq5r

ghsa-7c49-j253-wq5r

Vulnerability from github

Published

2022-02-17 00:00

Modified

2025-10-22 00:32

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-3560"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-754",
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-02-16T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
  "id": "GHSA-7c49-j253-wq5r",
  "modified": "2025-10-22T00:32:30Z",
  "published": "2022-02-17T00:00:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3560"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1961710"
    },
    {
      "type": "WEB",
      "url": "https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3560"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html"
    }
  ],
  "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"
    }
  ]
}

CVE-2021-3560 (GCVE-0-2021-3560)

Vulnerability from cvelistv5

Published

2022-02-16 00:00

Modified

2025-10-21 23:15

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-863

Summary

It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1961710
	https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/
	http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
	http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html

Impacted products

	Vendor	Product	Version
	n/a	polkit	Version: polkit 0.119

Show details on NVD website

To clipboard

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