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TITLE:
Microsoft Windows Kernel Two Privilege Escalation Vulnerabilities

SECUNIA ADVISORY ID:
SA49454

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49454/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49454

RELEASE DATE:
2012-06-12

DISCUSS ADVISORY:
http://secunia.com/advisories/49454/#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/49454/

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=49454

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:
Two vulnerabilities have been reported in Microsoft Windows, which
can be exploited by malicious, local users to gain escalated
privileges.

1) An error in the User Mode Scheduler (UMS) when handling a
particular system request can be exploited to execute arbitrary code
with kernel-mode privileges.

Successful exploitation requires the system to run an Intel x64-based
version of Windows 7 or Windows Server 2008 R2.

2) An error due to incorrect protection of BIOS ROM can be exploited
to execute arbitrary code with kernel-mode privileges.

SOLUTION:
Apply patches.

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

PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Rafal Wojtczuk, Bromium and Jan Beulich, SUSE.
2) Reported by the vendor.

ORIGINAL ADVISORY:
MS12-042 (KB2707511, KB2709715, KB2711167):
http://technet.microsoft.com/en-us/security/bulletin/MS12-042

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.)
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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