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

RHSA-2005-105: perl Vulnerability Scan

Vulnerability Scan Summary
Check for the version of the perl packages

Detailed Explanation for this Vulnerability Test

Updated Perl packages that fix several security issues are now available
for Red Hat Enterprise Linux 3.

Perl is a high-level programming language commonly used for system
administration utilities and Web programming.

Kevin Finisterre discovered a stack based buffer overflow flaw in sperl,
the Perl setuid wrapper. A local user could create a sperl executable
script with a carefully created path name, overflowing the buffer and
leading to root privilege escalation. The Common Vulnerabilities and
Exposures project ( has assigned the name CVE-2005-0156 to
this issue.

Kevin Finisterre discovered a flaw in sperl which can cause debugging
information to be logged to arbitrary files. By setting an environment
variable, a local user could cause sperl to create, as root, files with
arbitrary filenames, or append the debugging information to existing files.
The Common Vulnerabilities and Exposures project ( has
assigned the name CVE-2005-0155 to this issue.

Users of Perl are advised to upgrade to these updated packages, which
contain backported patches to correct these issues.

Solution :
Threat Level: High

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


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