Bug 1340121 – CVE-2016-5039 libdwarf: Out-of-bounds read in get_attr_value() function

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Bug 1340121 - (CVE-2016-5039) CVE-2016-5039 libdwarf: Out-of-bounds read in get_attr_value() function

Summary:	CVE-2016-5039 libdwarf: Out-of-bounds read in get_attr_value() function

Status:	CLOSED WONTFIX

Aliases:	CVE-2016-5039

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20160506,reported=2...
Keywords:	Security

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Reported:	2016-05-26 09:28 EDT by Andrej Nemec
Modified:	2016-05-26 09:42 EDT (History)
CC List:	2 users (show)

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Last Closed:	2016-05-26 09:42:27 EDT
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Description Andrej Nemec 2016-05-26 09:28:24 EDT

A vulnerability was found in libdwarf. A malicious object with data all-bits-on could bypass length checks which results in an out-of-bounds read.

References:

http://seclists.org/oss-sec/2016/q2/393

External references:

https://www.prevanders.net/dwarfbug.html

Upstream fix:

https://sourceforge.net/p/libdwarf/code/ci/eb1472afac95031d0c9dd8c11d527b865fe7deb8

Comment 1 Tom Hughes 2016-05-26 09:29:16 EDT

Already fixed in Fedora.

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