Bug 1232823 (CVE-2015-3412) - CVE-2015-3412 php: missing null byte checks for paths in various PHP extensions
Summary: CVE-2015-3412 php: missing null byte checks for paths in various PHP extensions
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2015-3412
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: 1213456 1228052 1228053 1228070 1228071 1228072 1228073 1228074 1228075 1228076 1228077
Blocks: 1213462
TreeView+ depends on / blocked
 
Reported: 2015-06-17 14:57 UTC by Tomas Hoger
Modified: 2019-09-29 13:33 UTC (History)
5 users (show)

Fixed In Version: php 5.4.40, php 5.5.24, php 5.6.8
Doc Type: Bug Fix
Doc Text:
It was found that certain PHP functions did not properly handle file names containing a NULL character. A remote attacker could possibly use this flaw to make a PHP script access unexpected files and bypass intended file system access restrictions.
Clone Of:
Environment:
Last Closed: 2015-07-09 21:34:36 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 14:57:39 UTC 
PHP versions 5.4.40, 5.5.24, and 5.6.8 provide fixes for multiple PHP extensions which did not check for NULL byte in a file name or path argument for certain functions, which could lead to bypass of intended access restrictions.

Upstream fix:
http://git.php.net/?p=php-src.git;a=commitdiff;h=52b93f0cfd3cba7ff98cc5198df6ca4f23865f80

The above commit also corrects problems from the following upstream bug report:

https://bugs.php.net/bug.php?id=69353

See bug 1213407 comment 5 for more details.  It was decided to assign separate CVE ids for the issue described in the upstream bug report (CVE-2015-3411) and additional issues included in the upstream fix (CVE-2015-3412):

http://seclists.org/oss-sec/2015/q2/727
Comment 1 Tomas Hoger 2015-06-17 15:03:27 UTC 
The PHP packages as shipped as part of the php54 collection in Red Hat Software Collections were updated to fixed upstream version 5.4.40 via RHSA-2015:1066 released as part of Red Hat Software Collections 2.0.


This issue has been addressed in the php54-php packages in the following products:

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

Via RHSA-2015:1066 https://rhn.redhat.com/errata/RHSA-2015-1066.html
Comment 2 errata-xmlrpc 2015-06-23 08:14:06 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 3 errata-xmlrpc 2015-06-25 08:33:11 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 4 errata-xmlrpc 2015-06-25 08:44:30 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 5 errata-xmlrpc 2015-07-09 17:08:27 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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