TITLE: Microsoft Windows CryptoAPI Two Spoofing Vulnerabilities Critical: Moderately critical Impact: Spoofing Where: From remote SECUNIA ADVISORY ID: SA36999 VERIFY ADVISORY: http://secunia.com/advisories/36999/ DESCRIPTION: Two vulnerabilities have been reported in Microsoft Windows, which can be exploited by malicious people to conduct spoofing attacks. 1) An error exists in the processing of ASN.1 information from X.509 certificates. This can be exploited to spoof trust information presented to the user with a certificate containing e.g. via a NULL byte in the Common Name field. 2) An integer overflow error exists in the parsing of ASN.1 object identifiers from X.509 certificates. This can be exploited to spoof trust information presented to the user with a certificate containing a specially crafted Object Identifiers (OID). SOLUTION: Apply patches. Microsoft Windows 2000 SP4: http://www.microsoft.com/downloads/details.aspx?familyid=52b9198d-b65f-467a-a5ab-141e23d64a86 Windows XP SP2 / SP3: http://www.microsoft.com/downloads/details.aspx?familyid=9c5ab624-e37b-418a-a919-d8f652b15679 Windows XP Professional x64 Edition SP2: http://www.microsoft.com/downloads/details.aspx?familyid=ad29696d-4611-4a12-9dfa-74fa6866b759 Windows Server 2003 SP2: http://www.microsoft.com/downloads/details.aspx?familyid=49e9cc53-cf17-4bc7-aaaa-92213167e1a9 Windows Server 2003 x64 Edition SP2: http://www.microsoft.com/downloads/details.aspx?familyid=d170cef9-f5d2-4fcd-997b-e778ad5a6797 Windows Server 2003 with SP2 for Itanium-based Systems: http://www.microsoft.com/downloads/details.aspx?familyid=2ede1eb9-7f5f-411d-bbc3-5db46d80e0bb Windows Vista (optionally with SP1 and SP2): http://www.microsoft.com/downloads/details.aspx?familyid=8b5a9a95-9439-40c8-acef-000b919daa04 Windows Vista x64 Edition (optionally with SP1 and SP2): http://www.microsoft.com/downloads/details.aspx?familyid=4a60f789-1a4a-49a8-8d13-fda989ed40be Windows Server 2008 for 32-bit Systems (optionally with SP2): http://www.microsoft.com/downloads/details.aspx?familyid=f9b487af-fe73-42a8-b240-d59c4321f95b Windows Server 2008 for x64-based Systems (optionally with SP2): http://www.microsoft.com/downloads/details.aspx?familyid=0d8a2a3e-d7d4-47fb-8364-16fce28e4d38 Windows Server 2008 for Itanium-based Systems (optionally with SP2): http://www.microsoft.com/downloads/details.aspx?familyid=8962f0b6-f346-4e88-9d83-4d15b699dd9d Windows 7 for 32-bit Systems: http://www.microsoft.com/downloads/details.aspx?familyid=ad6f06d5-27db-445d-a8b2-c42adc90afc0 Windows 7 for x64-based Systems: http://www.microsoft.com/downloads/details.aspx?familyid=70cd0270-77e9-492a-82d9-798364640c10 Windows Server 2008 R2 for x64-based Systems: http://www.microsoft.com/downloads/details.aspx?familyid=ce78c019-ec08-4ec6-abec-334f5ec5cb76 Windows Server 2008 R2 for Itanium-based Systems: http://www.microsoft.com/downloads/details.aspx?familyid=6442a77a-3c0d-4beb-b2d2-2885376c2135 ORIGINAL ADVISORY: MS09-056 (KB974571): http://www.microsoft.com/technet/security/bulletin/MS09-056.mspx ========================= The list's FAQ's can be seen by sending an email to PCWorks-request@xxxxxxxxxxxxx with FAQ in the subject line. To unsubscribe, subscribe, set Digest or Vacation to on or off, go to //www.freelists.org/list/pcworks . You can also send an email to PCWorks-request@xxxxxxxxxxxxx with Unsubscribe in the subject line. Your member list settings can be found at //www.freelists.org/cgi-bin/lsg2.cgi/l=pcworks . Once logged in, you have access to numerous other email options. The list archives are located at //www.freelists.org/archives/pcworks/ . All email posted to the list will be placed there in the event anyone needs to look for previous posts. -zxdjhu-
