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TITLE:
Microsoft Internet Explorer Two Code Execution Vulnerabilities

SECUNIA ADVISORY ID:
SA33845

VERIFY ADVISORY:
http://secunia.com/advisories/33845/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Microsoft Internet Explorer 7.x
http://secunia.com/advisories/product/12366/

DESCRIPTION:
Two vulnerabilities have been reported in Microsoft Internet
Explorer, which can be exploited by malicious people to compromise a
user's system.

1) An unspecified error exists due to the use of a previously deleted
object. This can be exploited to corrupt memory and execute arbitrary
code when a user e.g. visits a malicious web site.

2) An unspecified error exists within the handling of Cascading Style
Sheets (CSS). This can be exploited to cause a memory corruption and
execute arbitrary code when a user e.g. visits a specially crafted
web site.

SOLUTION:
Apply patches.

Windows XP SP2/SP3:
http://www.microsoft.com/downloads/details.aspx?familyid=8cd902ec-e018-4b61-80f9-825d973f998e

Windows XP Professional x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/details.aspx?familyid=dd3e2236-9cc0-478e-a46c-981ef685c0e3

Windows Server 2003 SP1/SP2:
http://www.microsoft.com/downloads/details.aspx?familyid=e52aa1fd-e694-4322-b3ff-6abc1b4a16fe

Windows Server 2003 x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/details.aspx?familyid=edbf1566-b96b-4c7d-98fe-b15f8e766792

Windows Server 2003 with SP1/SP2 for Itanium-based systems:
http://www.microsoft.com/downloads/details.aspx?familyid=5ce78797-d1c0-40d4-84e1-1004389833be

Windows Vista (optionally with SP1):
http://www.microsoft.com/downloads/details.aspx?familyid=5f9fa4b6-85a4-43bc-b84f-6bd847799650

Windows Vista x64 Edition (optionally with SP1):
http://www.microsoft.com/downloads/details.aspx?familyid=e9a8c94b-b9d2-4d64-855f-b5f02ce3dfb5

Windows Server 2008 for 32-bit Systems:
http://www.microsoft.com/downloads/details.aspx?familyid=2491dbf2-7cd3-44f1-bfad-77e6f760a25c

Windows Server 2008 for x64-based Systems:
http://www.microsoft.com/downloads/details.aspx?familyid=794373cc-2dce-4ef5-af50-7804c622c230

Windows Server 2008 for Itanium-based systems:
http://www.microsoft.com/downloads/details.aspx?familyid=11985325-4b33-4077-82cf-6afc7a71c510

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1) Zero Day Initiative
2) Sam Thomas via Zero Day Initiative.

ORIGINAL ADVISORY:
MS09-002 (KB961260):
http://www.microsoft.com/technet/security/bulletin/ms09-002.mspx

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