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http://secunia.com/blog/71/



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TITLE:
Intel Desktop Boards System Management Mode Security Bypass

SECUNIA ADVISORY ID:
SA38413

VERIFY ADVISORY:
http://secunia.com/advisories/38413/

DESCRIPTION:
A weakness has been reported in several Intel desktop boards, which
can be exploited by malicious, local users to bypass certain security
restrictions.

The weakness is caused due to an unspecified error in the System
Management Mode (SMM) implementation and can be exploited to modify
code running in System Management Mode.

Successful exploitation requires administrative (ring 0) privileges.

SOLUTION:
Apply BIOS updates.

DQ43AP:
Update to version APQ4310H.86A.0031.

DQ45CB and DQ45EK:
Update to version CBQ4510H.86A.0109.

DQ35JO and DQ35MP:
Update to version JOQ3510J.86A.1126.

DP55KG, DP55SB, and DP55WG:
Update to version KGIBX10J.86A.4236.

DP55WB:
Update to version WBIBX10J.86A.0181.

DQ57TM:
Update to version TMIBX10H.86A.0025.

DH55TC and DH55HC:
Update to version TCIBX10H.86A.0028.

DG41KR:
Update to version KRG4110H.86A.0029.

DB43LD:
Update to version LDB4310H.86A.0035.

DG41MJ:
Update to version MJG4110H.86A.0006.

DG41RQ:
Update to version RQG4110H.86A.0013.

DG41TY:
Update to version TYG4110H.86A.0037.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00022&languageid=en-fr

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