Vulnerability Assessment & Network Security Forums
If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Detailed Explanation for this Vulnerability Assessment
These remote packages are missing security patches :
Two exploitable vulnerabilities involving setuid-enabled perl scripts
have been discovered. The package "perl-suid" provides a wrapper
around perl which permits to use setuid-root perl scripts, i.e.
user-callable Perl scripts which have full root rights.
Previous versions permited 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 permit precise control
over the file content, but could destroy important data. PERLIO_DEBUG
is now ignored for setuid scripts. (CVE-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
Upgrade to :
- libcgi-fast-perl-5.8.4-2ubuntu0.3 (Ubuntu 4.10)
- libperl-dev-5.8.4-2ubuntu0.3 (Ubuntu 4.10)
- libperl5.8-5.8.4-2ubuntu0.3 (Ubuntu 4.10)
- perl-5.8.4-2ubuntu0.3 (Ubuntu 4.10)
- perl-base-5.8.4-2ubuntu0.3 (Ubuntu 4.10)
- perl-debug-5.8.4-2ubuntu0.3 (Ubuntu 4.10)
- perl-doc-5.8.4-2ubuntu0.3 (Ubuntu 4.10)
- perl-modules-5.8.4-2ubuntu0.3 (Ubuntu 4.10)
- perl-suid-5.8.4-2ubuntu0.3 (Ubuntu 4.10)
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: Ubuntu Security Notice (C) 2005 Canonical, Inc. / NASL script (C) 2005 Michel Arboi
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