Out-of-Bounds Memory Read Vulnerability in X.Org Affecting Privileged Systems
CVE-2022-46344

8.8HIGH

Key Information:

Vendor

X.org

Vendor
CVE Published:
14 December 2022

What is CVE-2022-46344?

A vulnerability exists within the X.Org Server that relates to improper length validation in the handler for the XIChangeProperty request. This flaw can lead to out-of-bounds memory reads, posing a risk of information disclosure. Particularly concerning is the potential for local privilege escalation on systems where the X server operates with heightened permissions or during SSH X forwarding sessions, which may allow for remote code execution. Organizations using affected versions should take immediate action to mitigate the risks associated with this vulnerability.

Affected Version(s)

xorg-x11-server xorg-x11-server-1.20.4

References

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.