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Bug 1441625 - (CVE-2017-7609) CVE-2017-7609 elfutils: Memory allocation failure in elf_compress.c
CVE-2017-7609 elfutils: Memory allocation failure in elf_compress.c
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=20170404,reported=2...
: Security
Depends On: 1441630
Blocks:
  Show dependency tree / graph
 
Reported: 2017-04-12 07:18 EDT by Andrej Nemec
Modified: 2017-04-12 07:28 EDT (History)
12 users (show)

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Last Closed: 2017-04-12 07:28:43 EDT
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Description Andrej Nemec 2017-04-12 07:18:04 EDT 
elf_compress.c in elfutils does not validate the zlib compression factor, which allows attackers to cause a denial of service (memory consumption) via a crafted ELF file.

Upstream bug:

https://sourceware.org/bugzilla/show_bug.cgi?id=21301

Upstream patch:

https://sourceware.org/ml/elfutils-devel/2017-q1/msg00114.html

References:

https://blogs.gentoo.org/ago/2017/04/03/elfutils-memory-allocation-failure-in-__libelf_decompress-elf_compress-c/
Comment 1 Andrej Nemec 2017-04-12 07:26:22 EDT 
Created elfutils tracking bugs for this issue:

Affects: fedora-all [bug 1441630]
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