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 :
USN-222-1 fixed a vulnerability in the Perl interpreter. It was
discovered that the version of USN-222-1 was not sufficient to handle
all possible cases of malformed input that could lead to arbitrary
code execution, so another update is necessary.
Jack Louis of Dyad Security discovered that Perl did not
sufficiently check the explicit length argument in format strings.
Specially crafted format strings with overly large length arguments
led to a crash of the Perl interpreter or even to execution of
arbitrary attacker-defined code with the rights of the user
running the Perl program.
However, this attack was only possible in insecure Perl programs
which use variables with user-defined values in string
interpolations without checking their validity.
Upgrade to :
- libcgi-fast-perl-5.8.7-5ubuntu1.2 (Ubuntu 5.10)
- libperl-dev-5.8.7-5ubuntu1.2 (Ubuntu 5.10)
- libperl5.8-5.8.7-5ubuntu1.2 (Ubuntu 5.10)
- perl-5.8.7-5ubuntu1.2 (Ubuntu 5.10)
- perl-base-5.8.7-5ubuntu1.2 (Ubuntu 5.10)
- perl-debug-5.8.7-5ubuntu1.2 (Ubuntu 5.10)
- perl-doc-5.8.7-5ubuntu1.2 (Ubuntu 5.10)
- perl-modules-5.8.7-5ubuntu1.2 (Ubuntu 5.10)
- perl-suid-5.8.7-5ubuntu1.2 (Ubuntu 5.10)
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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