Bug 1347086 – CVE-2016-7166 libarchive: Denial of service using a crafted gzip file

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Bug 1347086 - (CVE-2016-7166) CVE-2016-7166 libarchive: Denial of service using a crafted gzip file

Summary:	CVE-2016-7166 libarchive: Denial of service using a crafted gzip file

Status:	NEW

Aliases:	CVE-2016-7166

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:
Docs Contact:

URL:
Whiteboard:	impact=low,public=20160222,reported=2...
Keywords:	Security

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

Reported:	2016-06-15 22:35 EDT by Doran Moppert
Modified:	2016-09-12 16:13 EDT (History)
CC List:	8 users (show)

See Also:
Fixed In Version:	libarchive 3.2.0
Doc Type:	Bug Fix
Doc Text:	A vulnerability was found in libarchive. A specially crafted gzip file can cause libarchive to allocate memory without limit, eventually leading to a crash.
Story Points:	---
Clone Of:
Environment:
Last Closed:
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

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 2016-06-15 22:35:40 EDT

A specially crafted gzip file can cause libarchive to allocate memory
without limit, eventually leading to a crash.

External references:
    https://github.com/libarchive/libarchive/issues/660

Upstream fix:
    https://github.com/libarchive/libarchive/commit/6e06b1c89

Comment 4 Doran Moppert 2016-07-05 00:36:52 EDT

Created libarchive tracking bugs for this issue:

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

Comment 8 Pavel Raiskup 2016-07-08 03:38:50 EDT

FTR: Not back-porting follow-up patch 37649d274867edd2dd25d8a3057c3b6cd81ce83e

Comment 12 errata-xmlrpc 2016-09-12 15:56:17 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 13 errata-xmlrpc 2016-09-12 16:13:14 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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