Bug 1359822 (CVE-2016-6296) - CVE-2016-6296 php: Heap buffer overflow vulnerability in simplestring_addn in simplestring.c
Summary: CVE-2016-6296 php: Heap buffer overflow vulnerability in simplestring_addn in...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-6296
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1359837 1359838
Blocks: 1359830
TreeView+ depends on / blocked
 
Reported: 2016-07-25 13:53 UTC by Adam Mariš
Modified: 2020-01-17 15:51 UTC (History)
15 users (show)

Fixed In Version: php 5.5.36, php 5.6.24, php 7.0.9
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Clone Of:
Environment:
Last Closed: 2016-09-26 18:23:23 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:2750 0 normal SHIPPED_LIVE Moderate: rh-php56 security, bug fix, and enhancement update 2016-11-15 16:40:02 UTC

Description Adam Mariš 2016-07-25 13:53:01 UTC 
It was found that String length checks in simplestring_addn in simplestring.c use length as signed integers, which can be used by a malicious php script to cause out of bounds write on the heap.

PHP bug:

https://bugs.php.net/bug.php?id=72606

PHP fix:

http://git.php.net/?p=php-src.git;a=commit;h=e6c48213c22ed50b2b987b479fcc1ac709394caa

CVE assignment:

http://seclists.org/oss-sec/2016/q3/137
Comment 1 Adam Mariš 2016-07-25 14:10:35 UTC 
Created xmlrpc-epi tracking bugs for this issue:

Affects: fedora-all [bug 1359838]
Comment 2 Adam Mariš 2016-07-25 14:10:45 UTC 
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1359837]
Comment 3 errata-xmlrpc 2016-11-15 11:44:17 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 7.2 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS

Via RHSA-2016:2750 https://rhn.redhat.com/errata/RHSA-2016-2750.html
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