USN-4-1: Standard C library script vulnerabilities

28 October 2004

Standard C library script vulnerabilities

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

  • Ubuntu 4.10

Software Description

Details

Recently, Trustix Secure Linux discovered some vulnerabilities in the libc6 package. The utilities “catchsegv” and “glibcbug” created temporary files in an insecure way, which allowed a symlink 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
libc6

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

References