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Gentoo: GLSA-202310-02 Normal: e2fsprogs Security Vulnerability Alert

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Calendar Grey January 1, 2017
Scroller Gentoo
A flaw in e2fsprogs may allow local threat actors to run unauthorized commands on Gentoo environments through a heap overflow exploit.
A heap-based buffer overflow in e2fsprogs might allow local attackers to execute arbitrary code.

Summary

A heap-based buffer overflow was discovered in openfs.c in the libext2fs library in e2fsprogs.

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow e2fsprogs arbitrary code local code execution normal

Resolution

All e2fsprogs users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-fs/e2fsprogs-1.42.12"

References

[ 1 ] CVE-2015-0247 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0247

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-06
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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.

Severity: Normal
Title: e2fsprogs: Heap-based buffer overflow
Date: January 01, 2017
Bugs: #538930
ID: 201701-06

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow e2fsprogs arbitrary code local code execution normal

Synopsis

A heap-based buffer overflow in e2fsprogs might allow local attackersto execute arbitrary code.

Background

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

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-fs/e2fsprogs < 1.42.12 >= 1.42.12

Impact

===== A remote attacker could entice a user to use ext2fs library (for example, fsck) on a specially crafted Ext2/3/4 file system possibly resulting in the 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.