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Bug 1194730 - (CVE-2015-0273) CVE-2015-0273 php: use after free vulnerability in unserialize() with DateTimeZone
CVE-2015-0273 php: use after free vulnerability in unserialize() with DateTim...
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
: ---
: ---
Assigned To: Red Hat Product Security
impact=moderate,public=20150219,repor...
: Security
Depends On: 1204762 1204763 1204765 1204766 1209880 1209884 1209887
Blocks: 1194715 1210213
  Show dependency tree / graph
 
Reported: 2015-02-20 11:03 EST by Vasyl Kaigorodov
Modified: 2015-11-25 05:30 EST (History)
26 users (show)

See Also:
Fixed In Version: php 5.4.38, php 5.5.22, php 5.6.6
Doc Type: Bug Fix
Doc Text:
A use-after-free flaw was found in the unserialize() function of PHP's DateTimeZone implementation. A malicious script author could possibly use this flaw to disclose certain portions of server memory.
Story Points: ---
Clone Of:
Environment:
Last Closed: 2015-07-09 17:45:09 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:1053 normal SHIPPED_LIVE Moderate: php55 security and bug fix update 2015-06-04 08:06:06 EDT
Red Hat Product Errata RHSA-2015:1066 normal SHIPPED_LIVE Important: php54 security and bug fix update 2015-06-05 11:42:20 EDT
Red Hat Product Errata RHSA-2015:1135 normal SHIPPED_LIVE Important: php security and bug fix update 2015-06-23 08:11:40 EDT
Red Hat Product Errata RHSA-2015:1218 normal SHIPPED_LIVE Moderate: php security update 2015-07-09 17:01:41 EDT

  None (edit)
Description Vasyl Kaigorodov 2015-02-20 11:03:55 EST 
Use after free vulnerability was reported in PHP DateTimeZone [1].
Upstream patches that fix this:
http://git.php.net/?p=php-src.git;a=commit;h=c377f1a715476934133f3254d1e0d4bf3743e2d2
http://git.php.net/?p=php-src.git;a=commit;h=71335e6ebabc1b12c057d8017fd811892ecdfd24

[1]: https://bugs.php.net/bug.php?id=68942
Comment 1 Vasyl Kaigorodov 2015-03-02 05:07:06 EST 
Statement:

This issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 5 as they did not include the vulnerable code.
Comment 2 Pasi Koistinen 2015-03-05 09:05:09 EST 
Could you please confirm that Red Hat Enterprise Linux 6 is not affected?
Comment 3 Angelo Alvarez 2015-03-06 21:18:06 EST 
Can someone at Red Hat take the initiative and update the CVE page??
https://access.redhat.com/security/cve/CVE-2015-0273
Customers shouldn't have to crawl through bugzilla to find out if our platforms are vulnerable.

Also the statement should include PHP and PHP53 applicabililty of the CVE.
Comment 4 Francisco Alonso 2015-03-10 09:46:26 EDT 
Fixed upstream in PHP 5.6.6, 5.5.22, and 5.4.38:

http://php.net/ChangeLog-5.php#5.6.6
http://php.net/ChangeLog-5.php#5.5.22
http://php.net/ChangeLog-5.php#5.4.38
Comment 16 Carl Riches 2015-05-27 12:50:59 EDT 
It is not clear from the CVE notice (https://access.redhat.com/security/cve/CVE-2015-0273) nor from this Bugzilla entry whether or not RHEL 7.1 or RHEL 6.6 are vulnerable.

RHEL 6.6:  php-5.3.3
RHEL 7.1:  php-5.4.16

Please clarify.  Thanks!
Comment 17 errata-xmlrpc 2015-06-04 04:03:57 EDT 
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 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 18 errata-xmlrpc 2015-06-04 04:07:19 EDT 
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 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-2015:1053 https://rhn.redhat.com/errata/RHSA-2015-1053.html
Comment 19 errata-xmlrpc 2015-06-23 04:12:08 EDT 
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 20 errata-xmlrpc 2015-07-09 13:07:01 EDT 
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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