CVE-2021-3472

May 19, 2021

A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Summary:

A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Reference Links(if available):

  • https://lists.x.org/archives/xorg-announce/2021-April/003080.html
  • https://seclists.org/oss-sec/2021/q2/20
  • https://www.zerodayinitiative.com/advisories/ZDI-21-463/
  • https://bugzilla.redhat.com/show_bug.cgi?id=1944167
  • https://www.debian.org/security/2021/dsa-4893

    • CVSS Score (if available)

    v2: / MEDIUMAV:L/AC:L/Au:N/C:C/I:C/A:C

    v3: / HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

    Links to Exploits(if available)

  • Tags: , , , ,

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