X11 Server Vulnerability in xorg-x11-server by The X.Org Foundation
CVE-2017-12183

9.8CRITICAL

Key Information:

Vendor

The X.org Foundation

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

What is CVE-2017-12183?

The xorg-x11-server, prior to version 1.19.5, contains a vulnerability due to insufficient length validation within the XFIXES extension. This flaw can be exploited by a malicious X client, potentially leading to a complete crash of the X server or even executing arbitrary code. This vulnerability highlights the importance of proper input validation to maintain the integrity and security of server operations.

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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=55ca...
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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