GLSA 201507-22: e2fsprogs: Arbitrary code execution

http://security.gentoo.org/

Severity:	normal
Title:	e2fsprogs: Arbitrary code execution
Date:	07/23/2015
Bugs:	#540536
ID:	201507-22

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	Architecture(s)
sys-fs/e2fsprogs	< 1.42.13	>= 1.42.13	All supported architectures

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

CVE-2015-1572

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201507-22.xml

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.