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Bug 1340108 - (CVE-2016-5040) CVE-2016-5040 libdwarf: Null pointer dereference in read_area_length()
CVE-2016-5040 libdwarf: Null pointer dereference in read_area_length()
Status: CLOSED WONTFIX
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20160504,reported=2...
: Security
Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2016-05-26 09:13 EDT by Andrej Nemec
Modified: 2016-05-26 09:43 EDT (History)
2 users (show)

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Last Closed: 2016-05-26 09:43:00 EDT
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Description Andrej Nemec 2016-05-26 09:13:15 EDT
A vulnerability was found in libdwarf. If the data read for a compilation unit header contains a too large length value the library will read outside of its bounds and crash the application. 

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 09:19:22 EDT
Already fixed in Fedora.

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