rhsa-2019_0832
Vulnerability from csaf_redhat
Published
2019-04-23 12:58
Modified
2024-11-22 12:36
Summary
Red Hat Security Advisory: polkit security update

Notes

Topic
An update for polkit is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Security Fix(es): * polkit: Temporary auth hijacking via PID reuse and non-atomic fork (CVE-2019-6133) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Jan Rybar"
          ],
          "organization": "freedesktop.org"
        },
        {
          "names": [
            "Jann Horn"
          ],
          "organization": "Google Project Zero",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2019-6133",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "discovery_date": "2019-01-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1664212"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability was found in polkit. When authentication is performed by a non-root user to perform an administrative task, the authentication is temporarily cached in such a way that a local attacker could impersonate the authorized process, thus gaining access to elevated privileges.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "polkit: Temporary auth hijacking via PID reuse and non-atomic fork",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-6133"
        },
        {
          "category": "external",
          "summary": "RHBZ#1664212",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1664212"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-6133",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-6133"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-6133",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-6133"
        },
        {
          "category": "external",
          "summary": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1692",
          "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1692"
        }
      ],
      "release_date": "2019-01-09T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-04-23T12:58:37+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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      "scores": [
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          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "polkit: Temporary auth hijacking via PID reuse and non-atomic fork"
    }
  ]
}


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