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Bug 1553115 - (CVE-2018-7642) CVE-2018-7642 binutils: NULL pointer dereference in swap_std_reloc_in function in aoutx.h resulting in crash
CVE-2018-7642 binutils: NULL pointer dereference in swap_std_reloc_in functio...
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=20180224,reported=2...
: Security
Depends On: 1551786 1553121 1551787 1579799
Blocks: 1553120
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Reported: 2018-03-08 05:50 EST by Andrej Nemec
Modified: 2018-10-30 03:23 EDT (History)
11 users (show)

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:3032 None None None 2018-10-30 03:23 EDT

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Description Andrej Nemec 2018-03-08 05:50:21 EST 
The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.

Upstream issue:

https://sourceware.org/bugzilla/show_bug.cgi?id=22887

Upstream patches:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=116acb2c268c89c89186673a7c92620d21825b25
Comment 1 Andrej Nemec 2018-03-08 05:57:13 EST 
Created binutils tracking bugs for this issue:

Affects: fedora-all [bug 1551786]


Created mingw-binutils tracking bugs for this issue:

Affects: epel-all [bug 1551787]
Comment 4 errata-xmlrpc 2018-10-30 03:23:47 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3032 https://access.redhat.com/errata/RHSA-2018:3032
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