CVE-2015-8617 : Format string vulnerability in the zend_throw_or_error function in Zend/zend_execute

Format string vulnerability in the zend_throw_or_error function in Zend/zend_execute_API.c in PHP 7.x before 7.0.1 allows remote attackers to execute arbitrary code via format string specifiers in a string that is misused as a class name, leading to incorrect error handling.

Published 2016-01-19 05:59:08

Updated 2017-09-10 01:29:05

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowExecute code

Threat overview for CVE-2015-8617

Top countries where our scanners detected CVE-2015-8617

Top open port discovered on systems with this issue 80

IPs affected by CVE-2015-8617 342

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2015-8617!

^*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-2015-8617

Probability of exploitation activity in the next 30 days: 17.56%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 95 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2015-8617

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
10.0	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C	10.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
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-2015-8617

CWE-134 Use of Externally-Controlled Format String

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-8617

https://github.com/php/php-src/commit/b101a6bbd4f2181c360bd38e7683df4a03cba83e

Use format string · php/php-src@b101a6b · GitHub
https://bugs.php.net/bug.php?id=71105

PHP :: Bug #71105 :: Format String Vulnerability in Class Name Error Message
Exploit
http://php.net/ChangeLog-7.php

PHP: PHP 7 ChangeLog
Vendor Advisory

CVEs referencing this url
http://www.securitytracker.com/id/1034543

PHP Class Name Format String Flaw Lets Remote Users Execute Arbitrary C ode - SecurityTracker

Products affected by CVE-2015-8617