XFree86 DGA Extension Vulnerability in xorg-x11-server by X.Org Foundation
CVE-2017-12181

9.8CRITICAL

Key Information:

Vendor

The X.org Foundation

Status
Xorg-x11-server
Vendor
CVE Published:
24 January 2018

What is CVE-2017-12181?

A vulnerability exists in the xorg-x11-server due to inadequate length validation in the XFree86 DGA extension. This oversight enables a malicious X client to crash the X server and may potentially allow arbitrary code execution. It's essential for users and administrators of affected versions to assess their systems and apply necessary updates to mitigate this risk.

Affected Version(s)

xorg-x11-server before 1.19.5

References

https://bugzilla.redhat.com/show_bug.cgi?id=1509222
x_refsource_CONFIRM
https://www.debian.org/security/2017/dsa-4000
vendor-advisoryx_refsource_DEBIAN
https://cgit.freedesktop.org/xorg/xserver/commit/?id=1b1d...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.