Bug 1377336 (CVE-2016-7414)

Summary: CVE-2016-7414 php: Out of bounds heap read when verifying signature of zip phar in phar_parse_zipfile
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: abhgupta, apmukher, dmcphers, fedora, hhorak, jialiu, jokerman, jorton, kseifried, lmeyer, mmccomas, rcollet, tiwillia, webstack-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: php 5.6.26, php 7.0.11 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-10-13 11:27:17 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: 1377366, 1554899    
Bug Blocks: 1377365    

Description Adam Mariš 2016-09-19 13:04:07 UTC 
An out-of-bounds heap read was found in phar_parse_zipfile due to not checking entry.uncompressed_filesize.

Upstream bug:

https://bugs.php.net/bug.php?id=72928

Upstream patch:

https://github.com/php/php-src/commit/0bfb970f43acd1e81d11be1154805f86655f15d5?w=1

CVE assignment:

http://seclists.org/oss-sec/2016/q3/518
Comment 1 Adam Mariš 2016-09-19 13:37:36 UTC 
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1377366]
Comment 2 Huzaifa S. Sidhpurwala 2016-10-12 09:22:39 UTC 
Analysis:

When a malicious phar file is read by phar_parse_zipfile() it results in a OOB read and crash.
Comment 4 errata-xmlrpc 2018-05-03 05:05:05 UTC 
This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS

Via RHSA-2018:1296 https://access.redhat.com/errata/RHSA-2018:1296