Bug 1340121 (CVE-2016-5039)

Summary: CVE-2016-5039 libdwarf: Out-of-bounds read in get_attr_value() function
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: fche, orion
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-05-26 13:42:27 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Andrej Nemec 2016-05-26 13:28:24 UTC 
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 13:29:16 UTC 
Already fixed in Fedora.