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Bug 1543244 - (CVE-2018-6759) CVE-2018-6759 binutils: Unchecked strnlen in opncls.c:bfd_get_debug_link_info_1() can allow lead to denial of service
CVE-2018-6759 binutils: Unchecked strnlen in opncls.c:bfd_get_debug_link_info...
Status: NEW
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=20180206,reported=2...
: Security
Depends On: 1543245 1543247 1543246
Blocks:
  Show dependency tree / graph
 
Reported: 2018-02-07 23:55 EST by Sam Fowler
Modified: 2018-02-07 23:56 EST (History)
11 users (show)

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Description Sam Fowler 2018-02-07 23:55:04 EST 
The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.


Upstream Bug:

https://sourceware.org/bugzilla/show_bug.cgi?id=22794


Upstream Patch:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=64e234d417d5685a4aec0edc618114d9991c031b
Comment 1 Sam Fowler 2018-02-07 23:55:26 EST 
Created binutils tracking bugs for this issue:

Affects: fedora-all [bug 1543245]


Created mingw-binutils tracking bugs for this issue:

Affects: epel-all [bug 1543246]
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