CVE Vulnerability

CVE-2021-3472

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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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

Configuration 1

cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Information

Published : 2021-04-26 03:15

Updated : 2021-05-19 12:54

NVD link : CVE-2021-3472

Mitre link : CVE-2021-3472

Products Affected
No products.
CWE
CWE-191

Integer Underflow (Wrap or Wraparound)