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 attac

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.

Published 2016-09-12 01:59:13

Updated 2017-08-16 01:29:11

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowDenial of service

Threat overview for CVE-2016-7134

Top countries where our scanners detected CVE-2016-7134

Top open port discovered on systems with this issue 80

IPs affected by CVE-2016-7134 4,655

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2016-7134!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2016-7134

Probability of exploitation activity in the next 30 days: 4.20%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 91 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2016-7134

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2016-7134

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-7134

https://bugs.php.net/bug.php?id=72674

PHP :: Bug #72674 :: Heap overflow in curl_escape
Release Notes
https://security.gentoo.org/glsa/201611-22

PHP: Multiple vulnerabilities (GLSA 201611-22) — Gentoo security

CVEs referencing this url
http://openwall.com/lists/oss-security/2016/09/02/9

oss-security - Re: CVE assignment for PHP 5.6.25 and 7.0.10 - and libcurl
Mailing List

CVEs referencing this url
http://www.securityfocus.com/bid/92766

PHP CVE-2016-7134 Heap Based Buffer Overflow Vulnerability
http://www.securitytracker.com/id/1036680

PHP Multiple Flaws Let Remote and Local Users Obtain Potentially Sensitive Information, Deny Service, and Execute Arbitrary Code - SecurityTracker

CVEs referencing this url
http://www.php.net/ChangeLog-7.php

PHP: PHP 7 ChangeLog
Release Notes

CVEs referencing this url
https://github.com/php/php-src/commit/72dbb7f416160f490c4e9987040989a10ad431c7?w=1

Fix bug #72674 - check both curl_escape and curl_unescape · php/php-src@72dbb7f · GitHub
Issue Tracking;Patch

Products affected by CVE-2016-7134