Integer Overflow Vulnerability in X.Org X11 Server by X.Org Foundation
CVE-2017-12177

9.8CRITICAL

Key Information:

Vendor

The X.org Foundation

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

What is CVE-2017-12177?

The X.Org X11 Server, specifically versions prior to 1.19.5, is subjected to an integer overflow vulnerability within the ProcDbeGetVisualInfo function. This flaw enables a malicious X client to potentially crash the X server or even execute arbitrary code. Exploitation of this vulnerability poses significant risks to system stability 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://bugzilla.redhat.com/show_bug.cgi?id=1509218
x_refsource_CONFIRM
https://cgit.freedesktop.org/xorg/xserver/commit/?id=4ca6...
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

JSON
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