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TITLE:
Jetty Predictable Session Identifier Security Issue

SECUNIA ADVISORY ID:
SA24070

VERIFY ADVISORY:
http://secunia.com/advisories/24070/

CRITICAL:
Moderately critical

IMPACT:
Hijacking

WHERE:
>From remote

SOFTWARE:
Jetty 3.x
http://secunia.com/product/377/
Jetty 4.x
http://secunia.com/product/376/
Jetty 5.x
http://secunia.com/product/6169/
Jetty 6.x
http://secunia.com/product/13426/

DESCRIPTION:
Chris Anley has reported a security issue in Jetty, which can be
exploited by malicious people to hijack user sessions.

The security issue is caused due to predictable session identifiers
being generated by Jetty.

The security issue is reported in versions prior to 4.2.27, 5.1.12,
6.0.2, and 6.1.0pre3. Other applications that are based on Jetty may
also be affected.

SOLUTION:
Update to version 4.2.27, 5.1.12, 6.0.2, or 6.1.0pre3.

PROVIDED AND/OR DISCOVERED BY:
Chris Anley, NGSSoftware

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/bugtraq/2007-02/0035.html

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