CVE-2016-7133: Integer Overflow
First published: Mon Sep 12 2016(Updated: )
Zend/zend_alloc.c in PHP 7.x before 7.0.10, when open_basedir is enabled, mishandles huge realloc operations, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a long pathname.
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 |
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Reference Links
- http://openwall.com/lists/oss-security/2016/09/02/9
- http://www.php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/92765
- https://bugs.php.net/bug.php?id=72742
- https://github.com/php/php-src/commit/c2a13ced4272f2e65d2773e2ea6ca11c1ce4a911?w=1
- https://security.gentoo.org/glsa/201611-22
- https://www.php.net/ChangeLog-7.php#7.0.10 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2016-7133?
CVE-2016-7133 has a severity level classified as medium, primarily causing denial of service due to integer overflow.
How do I fix CVE-2016-7133?
To fix CVE-2016-7133, you should upgrade PHP to version 7.0.10 or later.
Which versions of PHP are affected by CVE-2016-7133?
CVE-2016-7133 affects PHP versions 7.0.0 through 7.0.9.
What type of attack is facilitated by CVE-2016-7133?
CVE-2016-7133 allows remote attackers to exploit integer overflow through crafted long pathnames.
Is there any other impact from CVE-2016-7133 besides denial of service?
While primarily enabling denial of service, CVE-2016-7133 could potentially allow for unspecified additional impacts.
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- version/php/7.0.4
- version/php/7.0.5
- version/php/7.0.6
- version/php/7.0.7
- version/php/7.0.8
- version/php/7.0.9