USN-4142-2: e2fsprogs vulnerability

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Ubuntu security notices

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e2fsprogs vulnerability


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

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM
Summary


e2fsprogs could be made to execute arbitrary code if it is running in a crafted ext4 partition.

Software Description

  • e2fsprogs - ext2/ext3/ext4 file system utilities
Details


USN-4142-1 fixed a vulnerability in e2fsprogs. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that e2fsprogs incorrectly handled certain ext4 partitions. An attacker could possibly use this issue to execute arbitrary code.

Update instructions


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

Ubuntu 14.04 ESM
e2fsprogs - 1.42.9-3ubuntu1.3+esm1
Ubuntu 12.04 ESM
e2fsprogs - 1.42-1ubuntu2.4

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


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