Bug 751310 (CVE-2011-4111) - CVE-2011-4111 qemu: ccid: buffer overflow in handling of VSC_ATR message
Summary: CVE-2011-4111 qemu: ccid: buffer overflow in handling of VSC_ATR message
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2011-4111
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 751311 751312 752003
Blocks: 751315
TreeView+ depends on / blocked
 
Reported: 2011-11-04 09:58 UTC by Petr Matousek
Modified: 2021-02-24 13:48 UTC (History)
17 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-12-08 22:05:42 UTC
Embargoed:

Attachments (Terms of Use)
Proposed patch (1.78 KB, text/plain)
2011-11-07 18:35 UTC, Petr Matousek 		no flags Details
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2011:1777 0 normal SHIPPED_LIVE Important: qemu-kvm security update 2011-12-06 17:14:41 UTC
Red Hat Product Errata RHSA-2011:1801 0 normal SHIPPED_LIVE Important: qemu-kvm security update 2011-12-09 00:45:47 UTC

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.
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