SECUNIA ADVISORY ID: SA28893

VERIFY ADVISORY: http://secunia.com/advisories/28893/

CRITICAL: Highly critical

IMPACT: DoS, System access

SOFTWARE:
Microsoft Internet Information Services (IIS) 6 http://secunia.com/product/1438/
Microsoft Internet Information Services (IIS) 5.x http://secunia.com/product/39/

DESCRIPTION: A vulnerability has been reported in Microsoft Internet Information Services (IIS), which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to an unspecified error within the processing of input to ASP web pages. This can be exploited to execute arbitrary code with the privileges of the Worker Process Identity (WPI) by passing specially crafted input to an ASP page.

SOLUTION: Apply patches.
Windows XP Professional SP2: http://www.microsoft.com/downloads/details.aspx?FamilyID=2b498065-d682-4227-b23e-d234d7d6a3fe
Windows XP Professional x64 Edition (optionally with SP2): http://www.microsoft.com/downloads/details.aspx?FamilyID=df9875f7-04d6-486e-bdb5-35e9e305fa1d
Windows Server 2003 SP1 / SP2: http://www.microsoft.com/downloads/details.aspx?FamilyID=6583e798-d16d-419c-aee1-30c3e6c635b3
Windows Server 2003 x64 Edition (optionally with SP2): http://www.microsoft.com/downloads/details.aspx?familyid=e8286174-8209-409f-8805-e534715a741c
Windows Server 2003 with SP1/SP2 for Itanium-based systems: http://www.microsoft.com/downloads/details.aspx?familyid=29faa70d-f1ac-4da4-b72a-faf1973cd845

PROVIDED AND/OR DISCOVERED BY: Reported by the vendor.
ORIGINAL ADVISORY: MS08-006 (KB942830): http://www.microsoft.com/technet/security/Bulletin/MS08-006.mspx