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Family: Red Hat Local Security Checks --> Category: infos

RHSA-2004-174: utempter Vulnerability Scan

Vulnerability Scan Summary
Check for the version of the utempter packages

Detailed Explanation for this Vulnerability Test

An updated utempter package that fixes a potential symlink vulnerability is
now available.

Utempter is a utility that allows terminal applications such as xterm and
screen to update utmp and wtmp without requiring root rights.

Steve Grubb discovered a flaw in Utempter which allowed device names
containing directory traversal sequences such as '/../'. In combination
with an application that trusts the utmp or wtmp files, this could allow a
local attacker the ability to overwrite privileged files using a symlink.

Users should upgrade to this new version of utempter, which fixes this

Solution :
Threat Level: High

Click HERE for more information and discussions on this network vulnerability scan.


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