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Bug 1440828 - (CVE-2017-7300) CVE-2017-7300 binutils: Heap-buffer overflow in aout_link_add_symbols function
CVE-2017-7300 binutils: Heap-buffer overflow in aout_link_add_symbols function
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=20161202,reported=2...
: Security
Depends On: 1435307 1435308 1435309
Blocks:
  Show dependency tree / graph
 
Reported: 2017-04-10 10:32 EDT by Andrej Nemec
Modified: 2017-05-10 04:50 EDT (History)
10 users (show)

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Last Closed: 2017-05-10 04:50:23 EDT
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Description Andrej Nemec 2017-04-10 10:32:27 EDT 
The Binary File Descriptor (BFD) library (aka libbfd) has an aout_link_add_symbols function in bfd/aoutx.h that is vulnerable to a heap-based buffer over-read (off-by-one) because of an incomplete check for invalid string offsets while loading symbols, leading to a GNU linker (ld) program crash. 

Upstream bug:

https://sourceware.org/bugzilla/show_bug.cgi?id=20909
Comment 1 Andrej Nemec 2017-04-10 10:56:55 EDT 
Created mingw-binutils tracking bugs for this issue:

Affects: epel-all [bug 1435309]
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