Ubuntu Security Notice (C) 2005-2013 Canonical, Inc. / NASL script (C) 2006-2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related patches.
Two exploitable vulnerabilities involving setuid-enabled perl scripts
have been discovered. The package 'perl-suid' provides a wrapper
around perl which allows to use setuid-root perl scripts, i.e.
user-callable Perl scripts which have full root privileges.
Previous versions allowed users to overwrite arbitrary files by
setting the PERLIO_DEBUG environment variable and calling an arbitrary
setuid-root perl script. The file that PERLIO_DEBUG points to was then
overwritten by Perl debug messages. This did not allow precise control
over the file content, but could destroy important data. PERLIO_DEBUG
is now ignored for setuid scripts. (CAN-2005-0155)
In addition, calling a setuid-root perl script with a very long path
caused a buffer overflow if PERLIO_DEBUG was set. This buffer overflow
could be exploited to execute arbitrary files with full root
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.6
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 20693 ()
CVE ID: CVE-2005-0155CVE-2005-0156
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