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Bug 1348779 - (CVE-2015-8931) CVE-2015-8931 libarchive: Undefined behavior (signed integer overflow) in mtree parser
CVE-2015-8931 libarchive: Undefined behavior (signed integer overflow) in mtr...
Status: CLOSED ERRATA
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=20160617,reported=2...
: Security
Depends On: 1352776 1353065 1353066
Blocks: 1334215
  Show dependency tree / graph
 
Reported: 2016-06-22 00:20 EDT by Doran Moppert
Modified: 2016-10-18 00:59 EDT (History)
4 users (show)

See Also:
Fixed In Version: libarchive 3.2.0
Doc Type: If docs needed, set a value
Doc Text:
Undefined behavior (signed integer overflow) was discovered in libarchive, in the MTREE parser's calculation of maximum and minimum dates. A crafted mtree file could potentially cause denial of service.
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Environment:
Last Closed: 2016-10-18 00:59:38 EDT
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CRM:
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:1844 normal SHIPPED_LIVE Important: libarchive security update 2016-09-12 20:11:35 EDT

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Description Doran Moppert 2016-06-22 00:20:49 EDT 
Undefined behaviour (signed integer overflow) was discovered in libarchive,
in the MTREE parser's calculation of maximum and minimum dates.

Upstream bug:
    https://github.com/libarchive/libarchive/issues/539

Upstream fix:
    https://github.com/libarchive/libarchive/commit/b31744d
Comment 1 Doran Moppert 2016-07-05 00:38:12 EDT 
Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1352776]
Comment 3 Pavel Raiskup 2016-07-11 02:29:51 EDT 
FTR: Also 11f6da24 should be backported.
Comment 5 errata-xmlrpc 2016-09-12 16:14:45 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:1844 https://rhn.redhat.com/errata/RHSA-2016-1844.html
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