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TITLE:
OpenSSH Two Security Issues

SECUNIA ADVISORY ID:
SA16686

VERIFY ADVISORY:
http://secunia.com/advisories/16686/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Privilege escalation

WHERE:
>From remote

SOFTWARE:
OpenSSH 3.x
http://secunia.com/product/101/
OpenSSH 4.x
http://secunia.com/product/5653/

DESCRIPTION:
Two security issues have been reported in OpenSSH, which can be
exploited malicious users to gain escalated privileges or bypass
certain security restrictions.

1) An error in handling dynamic port forwardings when no listen
address is specified, can cause "GatewayPorts" to be incorrectly
activated.

The security issue is reportedly introduced in version 4.0.

2) An error in handling GSSAPI credential delegation can allow a
user, who did not login using GSSAPI authentication, to be delegated
with GSSAPI credentials.

Successful exploitation requires that "GSSAPIDelegateCredentials" is
enabled.

SOLUTION:
Update to version 4.2p1.
ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/

PROVIDED AND/OR DISCOVERED BY:
2) Paul Moore

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About:
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