USN-555-1: e2fsprogs vulnerability

8 December 2007

e2fsprogs vulnerability

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

  • Ubuntu 7.10
  • Ubuntu 7.04
  • Ubuntu 6.10
  • Ubuntu 6.06 LTS

Software Description

  • e2fsprogs


Rafal Wojtczuk discovered multiple integer overflows in e2fsprogs. If a user or automated system were tricked into fscking a malicious ext2/ext3 filesystem, a remote attacker could execute arbitrary code with the user’s privileges.

Update instructions

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

Ubuntu 7.10
e2fslibs - 1.40.2-1ubuntu1.1
Ubuntu 7.04
e2fslibs - 1.39+1.40-WIP-2006.11.14+dfsg-2ubuntu1.1
Ubuntu 6.10
e2fslibs - 1.39-1ubuntu0.1
Ubuntu 6.06 LTS
e2fslibs - 1.38-2ubuntu2.1

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the necessary changes.