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Gentoo: GLSA-201507-22 Normal: e2fsprogs Heap Overflow Exploit

gentoo
Calendar Grey July 23, 2015
Dist Gentoo Esm H88
Ubuntu security notice USN-1234-1 highlights a buffer overflow vulnerability in libc that may lead to privilege escalation.
A heap-based buffer overflow in e2fsprogs could result in execution of arbitrary code.

Summary

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

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
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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: Arbitrary code execution
Date: July 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.

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Affected Packages

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

Impact

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

Workaround

There is no known workaround at this time.

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