Bug 1348780 – CVE-2015-8932 libarchive: Undefined behavior / invalid shiftleft in TAR parser

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Bug 1348780 - (CVE-2015-8932) CVE-2015-8932 libarchive: Undefined behavior / invalid shiftleft in TAR parser

Summary:	CVE-2015-8932 libarchive: Undefined behavior / invalid shiftleft in TAR parser

Status:	NEW

Aliases:	CVE-2015-8932

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
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URL:
Whiteboard:	impact=low,public=20160617,reported=2...
Keywords:	Security

Depends On:	1352775 1352776 1353065 1353066 1353067 1353068
Blocks:	1334215
	Show dependency tree / graph

Reported:	2016-06-22 00:21 EDT by Doran Moppert
Modified:	2016-09-12 16:14 EDT (History)
CC List:	6 users (show)

See Also:
Fixed In Version:	libarchive 3.2.0
Doc Type:	If docs needed, set a value
Doc Text:	Undefined behavior (invalid left shift) was discovered in libarchive, in how Compress streams are identified. This could cause certain files to be mistakenly identified as Compress archives and fail to read.
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Last Closed:
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Regression:	---
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oVirt Team:	---
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
Red Hat Product Errata	RHSA-2016:1850	normal	SHIPPED_LIVE	Important: libarchive security update	2016-09-12 19:54:24 EDT

Groups: None (edit)

Description Doran Moppert 2016-06-22 00:21:40 EDT

Undefined behaviour (invalid left shift) was discovered in libarchive,
in how Compress streams are identified.  This could cause certain
files to be mistakenly identified as Compress archives and fail to read.

Upstream bug:
    https://github.com/libarchive/libarchive/issues/547

Upstream fix:
    https://github.com/libarchive/libarchive/commit/f0b1dbb

Comment 2 Doran Moppert 2016-07-05 00:38:17 EDT

Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1352776]
Affects: epel-5 [bug 1352775]

Comment 9 errata-xmlrpc 2016-09-12 15:56:45 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2016:1850 https://rhn.redhat.com/errata/RHSA-2016-1850.html

Comment 10 errata-xmlrpc 2016-09-12 16:14:50 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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