Ubuntu 14.10: USN-2507-1 Critical: e2fsprogs Code Execution Risk

ubuntu

February 23, 2015

e2fsprogs could be made to crash or run programs as an administrator if it processed a specially crafted filesystem image.

Summary

e2fsprogs could be made to crash or run programs as an administrator

if it processed a specially crafted filesystem image.

Software Description:

- e2fsprogs: ext2/ext3/ext4 file system utilities

Details:

Jose Duart discovered that e2fsprogs incorrectly handled invalid block

group descriptor data. A local attacker could use this issue with a

crafted filesystem image to possibly execute arbitrary code.

(CVE-2015-0247, CVE-2015-1572)

Topics Covered

security advisory code execution Ubuntu system update e2fsprogs filesystem issue administrative access

Update Instructions

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

Ubuntu 14.10:
  e2fsprogs                       1.42.10-1.1ubuntu1.2

Ubuntu 14.04 LTS:
  e2fsprogs                       1.42.9-3ubuntu1.2

Ubuntu 12.04 LTS:
  e2fsprogs                       1.42-1ubuntu2.2

Ubuntu 10.04 LTS:
  e2fsprogs                       1.41.11-1ubuntu2.3

In general, a standard system update will make all the necessary changes.