Bug 1348780 (CVE-2015-8932)

Summary: CVE-2015-8932 libarchive: Undefined behavior / invalid shiftleft in TAR 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: dmoppert, ndevos, praiskup, slawomir, todoleza
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
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.
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-08 02:55:17 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 2016-06-22 04:21:40 UTC
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 04:38:17 UTC
Created libarchive tracking bugs for this issue:

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

Comment 9 errata-xmlrpc 2016-09-12 19:56:45 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 10 errata-xmlrpc 2016-09-12 20:14:50 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