Ubuntu Security Notice USN-2507-1
23rd February, 2015
e2fsprogs vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
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)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- 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
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.