Bug 1349229 (CVE-2015-8934)

Summary: CVE-2015-8934 libarchive: out of bounds heap read in RAR parser
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: anemec, jrusnack, ndevos, praiskup, slawomir
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: libarchive 3.2.1 Doc Type: Bug Fix
Doc Text:
A vulnerability was found in libarchive. A specially crafted RAR file could cause the application to read memory beyond the end of the decompression buffer.
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-10-18 05:00:06 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: 1352776, 1353065, 1353066    
Bug Blocks: 1334215    

Description Doran Moppert 2016-06-23 02:44:27 UTC
An out of bounds read was found in libarchive's RAR parser.  A specially
crafted file could cause the application to read heap memory beyond the end
of the decompression buffer.

Upstream bug:
    https://github.com/libarchive/libarchive/issues/521

Upstream fix:
    https://github.com/libarchive/libarchive/commit/603454e

Fix included in upstream release v3.2.1.

The vulnerable code was not included in libarchive-2.8.

Comment 2 Doran Moppert 2016-07-05 04:38:34 UTC
Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1352776]

Comment 5 errata-xmlrpc 2016-09-12 20:15:03 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