USN-104-1: unshar vulnerability

4 April 2005

sharutils vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 4.10

Software Description

Details

Joey Hess discovered that “unshar” created temporary files in an insecure manner. This could allow a symbolic link attack to create or overwrite arbitrary files with the privileges of the user invoking the program.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 4.10
sharutils

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

References