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Ubuntu Security Notice (C) 2006-2016 Canonical, Inc. / NASL script (C) 2006-2016 Tenable Network Security, Inc.
The remote Ubuntu host is missing a security-related patch.
Charles Morris discovered a privilege escalation vulnerability in
sudo. On executing Perl scripts with sudo, various environment
variables that affect Perl's library search path were not cleaned
properly. If sudo is set up to grant limited sudo execution of Perl
scripts to normal users, this could be exploited to run arbitrary
commands as the target user.
This security update also filters out environment variables that can
be exploited similarly with Python, Ruby, and zsh scripts.
Please note that this does not affect the default Ubuntu installation,
or any setup that just grants full root privileges to certain users.
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.
Update the affected sudo package.
Risk factor :
Medium / CVSS Base Score : 4.6
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 20779 ()
CVE ID: CVE-2005-4158
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