CVE-2016-7133
HIGH severity · CVSS 8.1 · Integer overflow
8.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)4%
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/php/php-src/commit/c2a13ced4272f2e65d2773e2ea6ca11c1ce4a911?w=1 ↗
Additional information
- NVD record
- https://github.com/php/php-src/commit/c2a13ced4272f2e65d2773e2ea6ca11c1ce4a911?w=1Patch
- http://openwall.com/lists/oss-security/2016/09/02/9
- http://www.php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/92765
- https://security.gentoo.org/glsa/201611-22
- https://bugs.php.net/bug.php?id=72742Exploit