#VU40285 Input validation error in PHP - CVE-2015-6834

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Main Vulnerability Database Vulnerabilities #VU40285

#VU40285 Input validation error in PHP - CVE-2015-6834

Published: May 16, 2016 / Updated: June 17, 2021


Vulnerability identifier: #VU40285
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2015-6834
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
PHP
Software vendor:
PHP Group

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization. <a href="http://cwe.mitre.org/data/definitions/502.html">CWE-502: Deserialization of Untrusted Data</a>


Remediation

Install update from vendor's website.

External links