CVE-2016-7132: Null Pointer Dereference
First published: Mon Sep 12 2016(Updated: )
ext/wddx/wddx.c in PHP before 5.6.25 and 7.x before 7.0.10 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly have unspecified other impact via an invalid wddxPacket XML document that is mishandled in a wddx_deserialize call, as demonstrated by a stray element inside a boolean element, leading to incorrect pop processing.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | <7.0.10 | 7.0.10 |
| PHP | =7.0.0 | |
| PHP | =7.0.1 | |
| PHP | =7.0.2 | |
| PHP | =7.0.3 | |
| PHP | =7.0.4 | |
| PHP | =7.0.5 | |
| PHP | =7.0.6 | |
| PHP | =7.0.7 | |
| PHP | =7.0.8 | |
| PHP | =7.0.9 | |
| PHP | <=5.6.24 |
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Reference Links
- http://openwall.com/lists/oss-security/2016/09/02/9
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/92767
- http://www.securitytracker.com/id/1036680
- https://bugs.php.net/bug.php?id=72799
- https://github.com/php/php-src/commit/0c8a2a2cd1056b7dc403eacb5d2c0eec6ce47c6f
- https://github.com/php/php-src/commit/a14fdb9746262549bbbb96abb87338bacd147e1b?w=1
- https://security.gentoo.org/glsa/201611-22
- https://www.tenable.com/security/tns-2016-19
- https://www.php.net/ChangeLog-7.php#7.0.10 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2016-7132?
CVE-2016-7132 is considered a medium severity vulnerability that can lead to denial of service due to a NULL pointer dereference.
How do I fix CVE-2016-7132?
To fix CVE-2016-7132, upgrade PHP to version 5.6.25 or later, or 7.0.10 or later.
What versions of PHP are affected by CVE-2016-7132?
CVE-2016-7132 affects PHP versions prior to 5.6.25 and 7.x before 7.0.10.
What impact can CVE-2016-7132 have on my application?
Exploitation of CVE-2016-7132 can cause your application to crash or lead to unspecified other impacts.
Is there a workaround for CVE-2016-7132?
There are no known workarounds for CVE-2016-7132; updating to the latest version is recommended.
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