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OpenSSH Two Security Issues

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Release Date:  2005-09-02    Last Update:  2005-09-13    Views:  29,961

Secunia Advisory SA16686

Where:

From remote

Impact:

Security Bypass, Privilege escalation

Solution Status:

Vendor Patch

CVE Reference(s):

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.

Further details available to Secunia VIM customers

Provided and/or discovered by:
2) Paul Moore

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: OpenSSH Two Security Issues

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