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Gentoo Linux Security Advisory                           GLSA 201507-22
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: e2fsprogs: Arbitrary code execution
     Date: July 23, 2015
     Bugs: #540536
       ID: 201507-22

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Synopsis
========

A heap-based buffer overflow in e2fsprogs could result in execution of
arbitrary code.

Background
==========

e2fsprogs is a set of utilities for maintaining the ext2, ext3 and ext4
file systems.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-fs/e2fsprogs            < 1.42.13                 >= 1.42.13 

Description
===========

e2fsprogs has a heap-based buffer overflow in closefs.c in the
libext2fs library.

Impact
======

A local attacker could execute arbitrary code via a specially crafted
block group descriptor.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All e2fsprogs users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-fs/e2fsprogs-1.42.13"

References
==========

[ 1 ] CVE-2015-1572
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1572

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201507-22

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2015 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5