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Secunia Security Advisory 49200

Secunia Security Advisory 49200
Posted May 23, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Dmitry Oleksiuk has discovered a vulnerability in Microsoft Windows, which can be exploited by malicious, local users to potentially gain escalated privileges.

tags | advisory, local
systems | windows
MD5 | 9478a3eac768809521e02730c8e86c2d

Secunia Security Advisory 49200

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TITLE:
Microsoft Windows Keyboard Layout Processing Vulnerability

SECUNIA ADVISORY ID:
SA49200

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49200/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49200

RELEASE DATE:
2012-05-23

DISCUSS ADVISORY:
http://secunia.com/advisories/49200/#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/49200/

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=49200

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:
Dmitry Oleksiuk has discovered a vulnerability in Microsoft Windows,
which can be exploited by malicious, local users to potentially gain
escalated privileges.

The vulnerability is caused due to an error in win32k.sys when
processing certain parameters associated with a keyboard layout file
and can be exploited to corrupt memory.

Successful exploitation may allow execution of arbitrary code in the
kernel.

The vulnerability is confirmed on a fully patched Windows XP SP3
(win32k.sys version 5.1.2600.6206). Other versions may also be
affected.

SOLUTION:
Restrict access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Dmitry Oleksiuk (cr4sh0)

ORIGINAL ADVISORY:
http://blog.cr4.sh/2012/05/post-ms12-034-0day.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/

----------------------------------------------------------------------

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.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
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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