Integer overflow in PHP
CVE-2016-7133
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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.041 (90.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000
Affected products
- PHP — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
References
- www.securityfocus.com/bid/92765 (vdb-entry)
- www.php.net/ChangeLog-7.php (Release Notes)
- security.gentoo.org/glsa/201611-22 (vendor-advisory)
- github.com/php/php-src/commit/c2a13ced4272f2e65d2773e2ea6ca11c1ce4a911 (Patch, Issue Tracking)
- openwall.com/lists/oss-security/2016/09/02/9 (mailing-list, Mailing List)
- bugs.php.net/bug.php (Exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2016-7133?
- CVE-2016-7133 is a high-severity vulnerability in PHP, classified under Integer Overflow or Wraparound. CVSS score: 8.1/10. Published 2016-09-12.
- How severe is CVE-2016-7133?
- High severity. CVSS v3 base score is 8.1 out of 10.