Bug 1340111 (CVE-2016-5042)

Summary:	CVE-2016-5042 libdwarf: Infinite loop in dwarf_get_arranges_list()
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	fche, orion
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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Last Closed:	2016-05-26 13:42:46 UTC	Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description Andrej Nemec 2016-05-26 13:18:22 UTC

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 13:20:29 UTC

Already fixed in Fedora.