Bug 1347086 (CVE-2016-7166)

Summary: CVE-2016-7166 libarchive: Denial of service using a crafted gzip file
Product: [Other] Security Response Reporter: Doran Moppert <dmoppert>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dmoppert, jrusnack, ndevos, praiskup, sardella, slawomir, todoleza
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
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: 2019-06-08 02:55:01 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1352775, 1352776, 1353065, 1353066, 1353067, 1353068    
Bug Blocks: 1334215    

Description Doran Moppert 2016-06-16 02:35:40 UTC
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 04:36:52 UTC
Created libarchive tracking bugs for this issue:

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

Comment 8 Pavel Raiskup 2016-07-08 07:38:50 UTC
FTR: Not back-porting follow-up patch 37649d274867edd2dd25d8a3057c3b6cd81ce83e

Comment 12 errata-xmlrpc 2016-09-12 19:56:17 UTC
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 20:13:14 UTC
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