Bug 751310 (CVE-2011-4111)

Summary: CVE-2011-4111 qemu: ccid: buffer overflow in handling of VSC_ATR message
Product: [Other] Security Response Reporter: Petr Matousek <pmatouse>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: acathrow, armbru, bsarathy, chayang, ehabkost, juzhang, lcapitulino, michen, minovotn, mkenneth, mtosatti, qzhang, security-response-team, tburke, virt-maint, xfu, xwei
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-12-08 22:05:42 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 751311, 751312, 752003    
Bug Blocks: 751315    
Attachments:
Description Flags
Proposed patch none

Description Petr Matousek 2011-11-04 09:58:34 UTC 
A flaw was found in the way QEMU handled VSC_ATR messages when CCID card passthru device was used. A malicious client could use this flaw to crash the QEMU process or, potentially, escalate his privileges.
Comment 2 Petr Matousek 2011-11-07 18:35:09 UTC 
Created attachment 532114 [details]
Proposed patch
Comment 7 errata-xmlrpc 2011-12-06 19:32:11 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2011:1777 https://rhn.redhat.com/errata/RHSA-2011-1777.html
Comment 8 errata-xmlrpc 2011-12-08 19:47:14 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux EUS 6.1

Via RHSA-2011:1801 https://rhn.redhat.com/errata/RHSA-2011-1801.html
Comment 9 Petr Matousek 2012-03-30 17:36:09 UTC 
Statement:

This issue does not affect versions of kvm package as shipped with Red Hat
Enterprise Linux 5.