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Message-ID: <53450A22.6030401@redhat.com>
Date: Wed, 09 Apr 2014 10:51:46 +0200
From: Florian Weimer <fweimer@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Heap-based buffer overflow in libdw/elfutils (CVE-2014-0172)
The compressed debug information support in libdw does not handle
malformed compressed debug sections properly. When computing the size
of a memory region, integer wraparound is not taken into account,
resulting in a heap allocation that is smaller than expected and which
is subsequently filled with arbitrary decompressed data:
<https://bugzilla.redhat.com/show_bug.cgi?id=1085663>
We have assigned CVE-2014-0172 to this issue.
--
Florian Weimer / Red Hat Product Security Team
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