Bug 1441625 (CVE-2017-7609) - CVE-2017-7609 elfutils: Memory allocation failure in elf_compress.c
Summary: CVE-2017-7609 elfutils: Memory allocation failure in elf_compress.c
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-7609
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: 1441630
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-04-12 11:18 UTC by Andrej Nemec
Modified: 2019-09-29 14:09 UTC (History)
12 users (show)

Fixed In Version:
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Last Closed: 2017-04-12 11:28:43 UTC
Embargoed:

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Description Andrej Nemec 2017-04-12 11:18:04 UTC 
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 11:26:22 UTC 
Created elfutils tracking bugs for this issue:

Affects: fedora-all [bug 1441630]
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