Buffer overflow in PHP
CVE-2016-7134
ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.048 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000
Affected products
- PHP — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
References
- www.php.net/ChangeLog-7.php (Release Notes)
- security.gentoo.org/glsa/201611-22 (vendor-advisory)
- www.securitytracker.com/id/1036680 (vdb-entry)
- bugs.php.net/bug.php (Release Notes)
- github.com/php/php-src/commit/72dbb7f416160f490c4e9987040989a10ad431c7 (Patch, Issue Tracking)
- www.securityfocus.com/bid/92766 (vdb-entry)
- openwall.com/lists/oss-security/2016/09/02/9 (mailing-list, Mailing List)
Frequently asked questions
- What is CVE-2016-7134?
- CVE-2016-7134 is a critical-severity vulnerability in PHP, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-09-12.
- How severe is CVE-2016-7134?
- Critical severity. CVSS v3 base score is 9.8 out of 10.