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TITLE:
Mesa "visit_field()" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA50327

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/50327/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=50327

RELEASE DATE:
2012-08-23

DISCUSS ADVISORY:
http://secunia.com/advisories/50327/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/50327/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=50327

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Mesa, which can be exploited by
malicious people to compromise an application using the library.

The vulnerability is caused due to a boundary error within the
"visit_field()" function (src/glsl/link_uniforms.cpp) when handling
sample shade information and can be exploited to cause a buffer
overflow.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in versions 8.0.4 and prior.

SOLUTION:
Apply patch.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
Originally reported in Google Chrome by miaubiz.

ORIGINAL ADVISORY:
http://www.mail-archive.com/mesa-dev@lists.freedesktop.org/msg25207.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
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Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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