[oCERT-2015-002] e2fsprogs input sanitization errors Feb 05 2015 02:00PM
Andrea Barisani (lcars ocert org)

#2015-002 e2fsprogs input sanitization errors


The e2fsprogs package is a set of open source utilities for ext2, ext3 and
ext4 filesytems.

The libext2fs library, part of e2fsprogs and utilized by its utilities, is
affected by a boundary check error on block group descriptor information,
leading to a heap based buffer overflow.

A specially crafted filesystem image can be used to trigger the vulnerability.

Affected version:

e2fsprogs < 1.42.12

Fixed version:

e2fsprogs >= 1.42.12

Credit: vulnerability report from Jose Duart of Google Security Team
<jduart AT google.com>.

CVE: CVE-2015-0247


2015-01-19: vulnerability report received
2015-01-29: contacted affected vendors, assigned CVEs
2015-02-05: advisory release



Andrea Barisani | Founder & Project Coordinator
oCERT | OSS Computer Security Incident Response Team

<lcars (at) ocert (dot) org [email concealed]> http://www.ocert.org
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"Pluralitas non est ponenda sine necessitate"

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