Computer Security
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Microsoft Windows Schannel memory corruption
updated since 10.03.2009
SecurityVulns ID:9726
Threat Level:
Description:Memory corruption on TLS/SSL certificate parsing, certificate spoofing, connection hijacking.
CVE:CVE-2010-2566 (The Secure Channel (aka SChannel) security package in Microsoft Windows XP SP2 and SP3, and Windows Server 2003 SP2, does not properly validate certificate request messages from TLS and SSL servers, which allows remote servers to execute arbitrary code via a crafted SSL response, aka "SChannel Malformed Certificate Request Remote Code Execution Vulnerability.")
 CVE-2009-3555 (The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft Internet Information Services (IIS) 7.0, mod_ssl in the Apache HTTP Server 2.2.14 and earlier, OpenSSL before 0.9.8l, GnuTLS 2.8.5 and earlier, Mozilla Network Security Services (NSS) 3.12.4 and earlier, multiple Cisco products, and other products, does not properly associate renegotiation handshakes with an existing connection, which allows man-in-the-middle attackers to insert data into HTTPS sessions, and possibly other types of sessions protected by TLS or SSL, by sending an unauthenticated request that is processed retroactively by a server in a post-renegotiation context, related to a "plaintext injection" attack, aka the "Project Mogul" issue.)
 CVE-2009-0085 (The Secure Channel (aka SChannel) authentication component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008, when certificate authentication is used, does not properly validate the client's key exchange data in Transport Layer Security (TLS) handshake messages, which allows remote attackers to spoof authentication by crafting a TLS packet based on knowledge of the certificate but not the private key, aka "SChannel Spoofing Vulnerability.")
Original documentdocumentMICROSOFT, Microsoft Security Bulletin MS10-049 - Critical Vulnerabilities in SChannel could allow Remote Code Execution (980436) (11.08.2010)
 documentMICROSOFT, Microsoft Security Bulletin MS09-007 - Important Vulnerability in SChannel Could Allow Spoofing (960225) (10.03.2009)
Files:Microsoft Security Bulletin MS09-007 - Important Vulnerability in SChannel Could Allow Spoofing (960225)

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