Buffer Overflow Vulnerability in Xorg X11 Server by X.Org Foundation
CVE-2017-12180

9.8CRITICAL

Key Information:

Vendor

The X.org Foundation

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

What is CVE-2017-12180?

A vulnerability exists in the Xorg X11 Server prior to version 1.19.5 due to inadequate length validation in the XFree86 VidModeExtension. This flaw can be exploited by a malicious X client, which may lead to unexpected server behavior, including crashes and the potential execution of arbitrary code, compromising system integrity and security.

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Affected Version(s)

xorg-x11-server before 1.19.5

References

https://www.debian.org/security/2017/dsa-4000
vendor-advisoryx_refsource_DEBIAN
https://cgit.freedesktop.org/xorg/xserver/commit/?id=1b1d...
x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2017/11/msg0...
mailing-listx_refsource_MLIST

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

JSON
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