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>> Juniper IVE OS OpenSSL Insecure Protocol Negotiation Vulnerability

Title : Juniper IVE OS OpenSSL Insecure Protocol Negotiation Vulnerability
VUPEN ID : VUPEN/ADV-2005-3056
CVE ID : CVE-2005-2969
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2005-12-22


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 

A vulnerability has been identified in Juniper IVE OS, which could be exploited by attackers to bypass certain security restrictions. This issue is due to an error in the "SSL_OP_MSIE_SSLV2_RSA_PADDING" option of OpenSSL that does not properly reject SSL 2.0 sessions when a client supports SSL 3.0 or TLS 1.0, which could be exploited by malicious people 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

Juniper IVE OS version 4.2R6 and prior
Juniper IVE OS version 5.0R5 and prior
Juniper IVE OS version 5.1R3 and prior

Solution

Upgrade to version 4.2R7, 5.0R6 or 5.1R4.

References

http://www.vupen.com/english/advisories/2005/3056
http://www.juniper.net/support/security/alerts/PSN-2005-12-025.txt

ChangeLog

2005-12-22 : Initial release

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