Code Injection in PHP - CVE-2015-8835
Published: November 28, 2018
Vulnerability identifier: #VU16140
CSH Severity: Medium
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-8835
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in make_http_soap_request() function within the "ext/soap/php_http.c" PHP SOAP extension when retrieving keys. A remote attacker can pass specially crafted serialized data that represent a numerically indexed _cookies array, related to the SoapClient::__call method in ext/soap/soap.c and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system
Affected software
PHP
How to mitigate CVE-2015-8835
Install update from vendor's website.
PHP - addressed in versions 5.4.44, 5.5.28, 5.6.12
External References
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html
- http://php.net/ChangeLog-5.php
- http://www.securityfocus.com/bid/84426
- http://www.ubuntu.com/usn/USN-2952-1
- http://www.ubuntu.com/usn/USN-2952-2
- https://bugs.php.net/bug.php?id=70081