Bug 1340113 (CVE-2016-5043) - CVE-2016-5043 libdwarf: Out-of-bounds read in dwarf_dealloc()
Summary: CVE-2016-5043 libdwarf: Out-of-bounds read in dwarf_dealloc()
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2016-5043
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-05-26 13:20 UTC by Andrej Nemec
Modified: 2021-02-17 03:49 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2016-05-26 13:42:38 UTC
Embargoed:

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Description Andrej Nemec 2016-05-26 13:20:26 UTC 
A vulnerability was found in libdwarf. A function dwarf_dealloc() did not check the Dwarf_Ptr space argument before using it which leads to 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/98a3da1e8237fe0d45b67ef77f3fa5ed9ff0215f
Comment 1 Tom Hughes 2016-05-26 13:21:02 UTC 
Already fixed in Fedora.
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