CVE Vulnerability

CVE-2020-14346

A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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://bugzilla.redhat.com/show_bug.cgi?id=1862246 Issue Tracking Third Party Advisory
https://lists.x.org/archives/xorg-announce/2020-August/003058.html Mailing List Patch
https://usn.ubuntu.com/4488-2/ Third Party Advisory
https://security.gentoo.org/glsa/202012-01 Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1417/ Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Information

Published : 2020-09-15 07:15

Updated : 2022-11-08 08:04

NVD link : CVE-2020-14346

Mitre link : CVE-2020-14346

Products Affected
No products.
CWE
CWE-191

Integer Underflow (Wrap or Wraparound)