Recently, Trustix Secure Linux discovered some vulnerabilities in the perl package. The utility “instmodsh”, the Perl package “PPPort.pm”, and several test scripts (which are not shipped and only used during build) created temporary files in an insecure way, which could allow a symlink attack to create or overwrite arbitrary files with the privileges of the user invoking the program, or building the perl package, respectively.
The problem can be corrected by updating your system to the following package versions:
3 November 2004
A security issue affects these releases of Ubuntu and its derivatives:
Recently, Trustix Secure Linux discovered some vulnerabilities in the perl package. The utility “instmodsh”, the Perl package “PPPort.pm”, and several test scripts (which are not shipped and only used during build) created temporary files in an insecure way, which could allow a symlink attack to create or overwrite arbitrary files with the privileges of the user invoking the program, or building the perl package, respectively.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
Vulmon