Integer Overflow Vulnerability in Xorg X Server by X.Org Foundation
CVE-2017-12179

9.8CRITICAL

Key Information:

Vendor

The X.org Foundation

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

What is CVE-2017-12179?

The Xorg X Server, before version 1.19.5, is susceptible to an integer overflow vulnerability within the (S)ProcXIBarrierReleasePointer functions. This flaw allows a malicious X client to exploit the vulnerability, potentially leading to the X server being crashed or even executing arbitrary code. This issue poses a significant risk, particularly in environments where untrusted X clients are utilized.

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Affected Version(s)

xorg-x11-server before 1.19.5

References

https://cgit.freedesktop.org/xorg/xserver/commit/?id=d088...
x_refsource_CONFIRM
https://www.debian.org/security/2017/dsa-4000
vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/201711-05
vendor-advisoryx_refsource_GENTOO

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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