Advisory: RHSA-2002:127-18



Last updated on: 2002-06-27



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Security Advisory





Details:



Updated openssh packages are now available for Red Hat Linux 7, 7.1, 7.2,

and 7.3. These updates fix an input validation error in OpenSSH.



OpenSSH provides an implementation of the SSH (secure shell) protocol used

for logging into and executing commands on remote machines.



Versions of the OpenSSH server between 2.3.1 and 3.3 contain an input

validation error that can result in an integer overflow and privilege

escalation.



At this time, Red Hat does not believe that the default installation of

OpenSSH on Red Hat Linux is vulnerable to this issue; however a user would

be vulnerable if the configuration option "PAMAuthenticationViaKbdInt" is

enabled in the sshd configuration file (it is not enabled by default).



We have applied the security fix provided by the OpenSSH team to these

errata packages which are based on OpenSSH 3.1p1. This should minimize the

impact of upgrading to our errata packages.



All users of OpenSSH should update to these errata packages which are not

vulnerable to this issue.



ftp://updates.redhat.com/7.3/en/os/i386/