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>> BlueCoat Security Update Fixes OpenSSL Security Bypass Vulnerability

Title : BlueCoat Security Update Fixes OpenSSL Security Bypass Vulnerability
VUPEN ID : VUPEN/ADV-2005-2297
CVE ID : CVE-2005-2969
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2005-11-04


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

Blue Coat has released security updates to correct a vulnerability identified in OpenSSL. This issue is due to an error in the "SSL_OP_MSIE_SSLV2_RSA_PADDING" option (part of SSL_OP_ALL) that does not properly reject SSL 2.0 sessions when a client supports SSL 3.0 or TLS 1.0, which could be exploited to conduct MITM (Man in the Middle) attacks and force a client and a server to negotiate the SSL 2.0 protocol instead of SSL 3.0 or TLS 1.0. For additional information, see : VUPEN/ADV-2005-2036

Affected Products

Blue Coat CacheOS 4.x
Blue Coat Security Gateway OS (SGOS) 2.x
Blue Coat Security Gateway OS (SGOS) 3.x
Blue Coat Security Gateway OS (SGOS) 4.x

Solution

Upgrade to version 4.1.3.1 :
http://download.bluecoat.com/release/SGOS4/index.html
Or version 3.2.6.7 :
http://download.bluecoat.com/release/SGOS3/index.html
Or disable SSLv2 to prevent negotiation to the SSL 2.0 protocol.

References

http://www.vupen.com/english/advisories/2005/2297
http://www.bluecoat.com/support/knowledge/advisory_openssl_can-2005-2969.html

ChangeLog

2005-11-04 : Initial release

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