USN-2507-1: e2fsprogs vulnerabilities

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.

References

CVE-2015-0247,

CVE-2015-1572

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