CVE-2021-3472 Detail

Current Description

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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2021/04/13/1 Mailing List  Patch  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1944167 Issue Tracking  Patch  Third Party Advisory 
https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/ Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/ Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/ Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/ Mailing List  Third Party Advisory 
https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List  Patch  Vendor Advisory 
https://seclists.org/oss-sec/2021/q2/20 Mailing List  Patch  Third Party Advisory 
https://security.gentoo.org/glsa/202104-02 Third Party Advisory 
https://www.debian.org/security/2021/dsa-4893 Third Party Advisory 
https://www.tenable.com/plugins/nessus/148701 Third Party Advisory 
https://www.zerodayinitiative.com/advisories/ZDI-21-463/ Third Party Advisory  VDB Entry 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-191 Integer Underflow (Wrap or Wraparound) Provider acceptance level Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3472
NVD Published Date:
04/26/2021
NVD Last Modified:
05/19/2021
Source:
Red Hat, Inc.