GLSA 202003-05: e2fsprogs: Arbitrary code execution

http://security.gentoo.org/

Severity:	normal
Title:	e2fsprogs: Arbitrary code execution
Date:	03/13/2020
Bugs:	#695522
ID:	202003-05

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	Architecture(s)
sys-fs/e2fsprogs	< 1.45.4	>= 1.45.4	All supported architectures

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

CVE-2019-5094

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202003-05.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.