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Bug 1489852 - (CVE-2017-14166) CVE-2017-14166 libarchive: Heap-based buffer over-read in the atol8 function
CVE-2017-14166 libarchive: Heap-based buffer over-read in the atol8 function
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=20170905,reported=2...
: Security
Depends On: 1449531
Blocks:
  Show dependency tree / graph
 
Reported: 2017-09-08 09:27 EDT by Andrej Nemec
Modified: 2018-10-23 02:49 EDT (History)
5 users (show)

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Fixed In Version: libarchive 3.3.3
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Description Andrej Nemec 2017-09-08 09:27:03 EDT 
libarchive 3.3.2 allows attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.

Upstream patch:

https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71

References:

https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/
Comment 1 Andrej Nemec 2017-09-08 09:28:10 EDT 
Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1449531]
Comment 2 Pavel Raiskup 2018-06-01 06:08:04 EDT 
Waits for release:
https://github.com/libarchive/libarchive/issues/935
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