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TITLE:
Microsoft Windows win32k.sys Memory Corruption Vulnerability

SECUNIA ADVISORY ID:
SA47237

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47237/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47237

RELEASE DATE:
2011-12-19

DISCUSS ADVISORY:
http://secunia.com/advisories/47237/#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/47237/

ONLY AVAILABLE IN CUSTOMER AREA:
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 * Report Reliability
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https://ca.secunia.com/?page=viewadvisory&vuln_id=47237

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 discovered in Microsoft Windows, which can
be exploited by malicious people to potentially compromise a user's
system.

The vulnerability is caused due to an error in win32k.sys and can be
exploited to corrupt memory via e.g. a specially crafted web page
containing an IFRAME with an overly large "height" attribute viewed
using the Apple Safari browser.

Successful exploitation may allow execution of arbitrary code with
kernel-mode privileges.

The vulnerability is confirmed on a fully patched Windows 7
Professional 64-bit. Other versions may also be affected.

SOLUTION:
No effective solution is currently available.

PROVIDED AND/OR DISCOVERED BY:
webDEViL

ORIGINAL ADVISORY:
https://twitter.com/#!/w3bd3vil/status/148454992989261824

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
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vulnerabilities.

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