Bug 1232923 (CVE-2015-4602) - CVE-2015-4602 php: Incomplete Class unserialization type confusion
Summary: CVE-2015-4602 php: Incomplete Class unserialization type confusion
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2015-4602
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: 1228052 1228053 1228070 1228071 1228072 1228073 1228074 1228075 1228076 1228077
Blocks: 1213462
TreeView+ depends on / blocked
 
Reported: 2015-06-17 20:09 UTC by Tomas Hoger
Modified: 2019-09-29 13:33 UTC (History)
6 users (show)

Fixed In Version: php 5.4.40, php 5.5.24, php 5.6.8
Doc Type: Bug Fix
Doc Text:
A flaw was discovered in the way PHP performed object unserialization. Specially crafted input processed by the unserialize() function could cause a PHP application to crash or, possibly, execute arbitrary code.
Clone Of:
Environment:
Last Closed: 2015-07-09 21:35:47 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:1135 0 normal SHIPPED_LIVE Important: php security and bug fix update 2015-06-23 12:11:40 UTC
Red Hat Product Errata RHSA-2015:1186 0 normal SHIPPED_LIVE Important: php55-php security update 2015-06-25 12:31:54 UTC
Red Hat Product Errata RHSA-2015:1187 0 normal SHIPPED_LIVE Important: rh-php56-php security update 2015-06-25 12:43:17 UTC
Red Hat Product Errata RHSA-2015:1218 0 normal SHIPPED_LIVE Moderate: php security update 2015-07-09 21:01:41 UTC

Description Tomas Hoger 2015-06-17 20:09:31 UTC 
A type confusion issue was found in the way PHP performed unserialization of incomplete class.  If a specially crafted input is unserialized, it could lead to information leak and possibly code execution.

The issue was reported upstream in:

https://bugs.php.net/bug.php?id=69152#1426863482

and was corrected in:

http://git.php.net/?p=php-src.git;a=commitdiff;h=fb83c76deec58f1fab17c350f04c9f042e5977d1

See also bug 1222538 comment 7.
Comment 2 Tomas Hoger 2015-06-17 20:13:21 UTC 
This issue was already corrected in Red Hat Software Collections php54 collection in Red Hat Software Collections 2.0, when php54-php component was updated to the fixed upstream version 5.4.40:

https://rhn.redhat.com/errata/RHSA-2015-1066.html
Comment 3 errata-xmlrpc 2015-06-23 08:14:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:1135 https://rhn.redhat.com/errata/RHSA-2015-1135.html
Comment 4 errata-xmlrpc 2015-06-25 08:33:19 UTC 
This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS

Via RHSA-2015:1186 https://rhn.redhat.com/errata/RHSA-2015-1186.html
Comment 5 errata-xmlrpc 2015-06-25 08:44:39 UTC 
This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS

Via RHSA-2015:1187 https://rhn.redhat.com/errata/RHSA-2015-1187.html
Comment 7 errata-xmlrpc 2015-07-09 17:08:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2015:1218 https://rhn.redhat.com/errata/RHSA-2015-1218.html
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