Bug 1340111 – CVE-2016-5042 libdwarf: Infinite loop in dwarf_get_arranges_list()

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Bug 1340111 - (CVE-2016-5042) CVE-2016-5042 libdwarf: Infinite loop in dwarf_get_arranges_list()

Summary:	CVE-2016-5042 libdwarf: Infinite loop in dwarf_get_arranges_list()

Status:	CLOSED WONTFIX

Aliases:	CVE-2016-5042

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=20160504,reported=2...
Keywords:	Security

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Reported:	2016-05-26 09:18 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 09:42:46 EDT
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Description Andrej Nemec 2016-05-26 09:18:22 EDT

A vulnerability was found in libdwarf. In dwarf_get_aranges_list() an invalid count will iterate, reading from memory addresses that increase till it all fails. 

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/98a3da1e8237fe0d45b67ef77f3fa5ed9ff0215f

Comment 1 Tom Hughes 2016-05-26 09:20:29 EDT

Already fixed in Fedora.

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