#VU40282 Input validation error in PHP - CVE-2016-3185

Vulnerability identifier: #VU40282

Vulnerability risk: Low

CVSSv4.0: 4.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-3185

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description

The vulnerability allows a local authenticated user to #BASIC_IMPACT#.

The make_http_soap_request function in ext/soap/php_http.c in PHP before 5.4.44, 5.5.x before 5.5.28, 5.6.x before 5.6.12, and 7.x before 7.0.4 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (type confusion and application crash) via crafted serialized _cookies data, related to the SoapClient::__call method in ext/soap/soap.c.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PHP: 5.5.0 - 5.5.27, 5.6.0 - 5.6.11, 7.0.0 - 7.0.3

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External links
https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html
https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html
https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html
https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html
https://php.net/ChangeLog-5.php
https://php.net/ChangeLog-7.php
https://www.securityfocus.com/bid/84307
https://www.ubuntu.com/usn/USN-2952-1
https://www.ubuntu.com/usn/USN-2952-2
https://bugs.php.net/bug.php?id=70081
https://bugs.php.net/bug.php?id=71610
https://git.php.net/?p=php-src.git;a=commit;h=eaf4e77190d402ea014207e9a7d5da1a4f3727ba

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.