===================================================================== CERT-Renater Note d'Information No. 2007/VULN503 _____________________________________________________________________ DATE : 12/12/2007 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : Windows Vista running SMBv2. ====================================================================== http://www.microsoft.com/technet/security/bulletin/ms07-063.mspx ______________________________________________________________________ Microsoft Security Bulletin MS07-063 Important Vulnerability in SMBv2 Could Allow Remote Code Execution (942624) This important security update resolves a privately reported vulnerability in Server Message Block Version 2 (SMBv2). The vulnerability could allow an attacker to tamper with data transferred via SMBv2, which could allow remote code execution in domain configurations communicating with SMBv2. This security update addresses the vulnerability by implementing proper signing using SMBv2. Affected Software Windows Vista Windows Vista x64 Vulnerability Information SMBv2 Signing Vulnerability CVE-2007-5351 A remote code execution vulnerability exists in the SMBv2 protocol that could allow a remote anonymous attacker to run code with the privileges of the logged-on user. ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 151 bd de l'Hopital | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================