Bug 1509214 (CVE-2017-12176)

Summary: CVE-2017-12176 xorg-x11-server: Unvalidated extra length in ProcEstablishConnection
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: ajax, alexl, bskeggs, caillon+fedoraproject, jglisse, john.j5live, mbarnes, ofourdan, rhughes, rstrode, sandmann, xgl-maint
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard: impact=moderate,public=20171010,reported=20171006,source=upstream,cvss3=7.5/CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H,cwe=CWE-391,rhel-5/xorg-x11-server=wontfix,rhel-6/xorg-x11-server=wontfix,rhel-7/xorg-x11-server=wontfix,fedora-all/xorg-x11-server=affected
Fixed In Version: xorg-x11-server 1.19.5 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-11-07 05:54:53 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On: 1509258    
Bug Blocks: 1509263    

Description Adam Mariš 2017-11-03 11:06:06 UTC
Missing extra length validation was found in ProcEstablishConnection function.

Upstream patch:

https://cgit.freedesktop.org/xorg/xserver/commit/?id=b747da5e25be944337a9cd1415506fc06b70aa81

Comment 1 Adam Mariš 2017-11-03 11:06:15 UTC
Acknowledgments:

Name: the Xorg project

Comment 2 Adam Mariš 2017-11-03 12:30:28 UTC
Created xorg-x11-server tracking bugs for this issue:

Affects: fedora-all [bug 1509258]