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Gentoo Linux Security Advisory                           GLSA 202003-05
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: e2fsprogs: Arbitrary code execution
     Date: March 13, 2020
     Bugs: #695522
       ID: 202003-05

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Synopsis
========

A vulnerability in e2fsprogs might allow an attacker to execute
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             < 1.45.4                  >= 1.45.4

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

It was discovered that e2fsprogs incorrectly handled certain ext4
partitions.

Impact
======

A remote attacker could entice a user to process a specially crafted
corrupted file system using e2fsck, possibly resulting in execution of
arbitrary code with the privileges of the process or a Denial of
Service condition.

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-1.45.4"

References
==========

[ 1 ] CVE-2019-5094
      https://nvd.nist.gov/vuln/detail/CVE-2019-5094

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

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

 https://security.gentoo.org/glsa/202003-05

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 2020 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.

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


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