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Home » Hacking News » Caldera - Remote vulnerability in OpenSSH

Caldera - Remote vulnerability in OpenSSH

by Nikola Strahija on December 13th, 2001 The OpenSSH team has reported a vulnerability in the OpenSSH server that allows remote attackers to obtain root privilege if the server has the UseLogin option enabled. This option is off by default on OpenLinux, so a default installation is not vulnerable.


Vulnerable versions are: OpenLinux Workstation 3.1, OpenLinux Server 3.1, OpenLinux eDesktop 2.4, OpenLinux eServer 2.3.1 and OpenLinux eBuilder; if the packages versions are previous to openssh-2.9p2-4.

Workaround:
Make sure that you do not have the UseLogin option enabled. In /etc/ssh/sshd_config, the UseLogin option should either be commended out, or should be set to "no".

Fixes:


Upgrade the affected packages with the following commands:
rpm -Fvh openssh-2.9p2-4.i386.rpm
openssh-askpass-2.9p2-4.i386.rpm
openssh-server-2.9p2-4.i386.rpm

This was a part of Caldera Security Advisory CSSA-2001-042.0.


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