CVE-2016-5772: Double Free
First published: Sun Aug 07 2016(Updated: )
Double free vulnerability in the php_wddx_process_data function in wddx.c in the WDDX extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted XML data that is mishandled in a wddx_deserialize call.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | <7.0.8 | 7.0.8 |
| PHP | <5.5.37 | |
| PHP | >=5.6.0<5.6.23 | |
| PHP | >=7.0.0<7.0.8 | |
| SUSE Linux Enterprise Debuginfo | =11-sp4 | |
| openSUSE | =42.1 | |
| openSUSE | =13.2 | |
| SUSE Linux Enterprise Server | =11-sp4 | |
| SUSE Linux Enterprise Software Development Kit | =11-sp4 | |
| Debian GNU/Linux | =8.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://github.com/php/php-src/commit/a44c89e8af7c2410f4bfc5e097be2a5d0639a60c?w=1
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3618
- http://www.openwall.com/lists/oss-security/2016/06/23/4
- http://www.securityfocus.com/bid/91398
- https://bugs.php.net/bug.php?id=72340
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://support.apple.com/HT207170
- https://www.php.net/ChangeLog-7.php#7.0.8 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2016-5772?
CVE-2016-5772 is considered to have a high severity due to its potential for causing denial of service and executing arbitrary code.
How do I fix CVE-2016-5772?
To fix CVE-2016-5772, upgrade PHP to version 5.5.37, 5.6.23, or 7.0.8 or later.
Which versions of PHP are affected by CVE-2016-5772?
CVE-2016-5772 affects PHP versions prior to 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8.
What is the impact of CVE-2016-5772 on PHP applications?
The impact of CVE-2016-5772 includes potential application crashes and the risk of remote code execution when processing crafted XML data.
What components are specifically vulnerable in CVE-2016-5772?
The vulnerability exists in the php_wddx_process_data function within the WDDX extension of PHP.
- agent/type
- agent/remedy
- agent/severity
- agent/references
- agent/author
- agent/description
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- collector/php-changelog
- source/PHP
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- vendor/php
- canonical/php
- version/php/5.6.0
- version/php/7.0.0
- vendor/suse
- canonical/suse linux enterprise debuginfo
- version/suse linux enterprise debuginfo/11-sp4
- vendor/opensuse
- canonical/opensuse
- version/opensuse/42.1
- version/opensuse/13.2
- canonical/suse linux enterprise server
- version/suse linux enterprise server/11-sp4
- canonical/suse linux enterprise software development kit
- version/suse linux enterprise software development kit/11-sp4
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0