VDB-83183 · CVE-2016-4344 · ID 71637

PHP 7.0.0 xml/filter_url/addcslashe numeric error

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.1	$0-$5k	0.00

A vulnerability was found in PHP 7.0.0 (Programming Language Software) and classified as critical. This issue affects the function xml/filter_url/addcslashe. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability.

The weakness was presented 04/28/2016 as confirmed mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2016-4344 since 04/28/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 90009 (PHP 7.0.x < 7.0.4 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Upgrading to version 7.0.3 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (112804) and Tenable (90009). See 80326, 80327, 81387 and 83181 for similar entries.

Productinfo

Type

Programming Language Software

Name

Version

7.0.0

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 90009
Nessus Name: PHP 7.0.x < 7.0.4 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63578
OpenVAS Name: PHP Multiple Vulnerabilities - 02 - Jul16 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 7.0.3

Timelineinfo

03/03/2016 🔍
03/17/2016 +14 days 🔍
04/28/2016 +42 days 🔍
04/28/2016 +0 days 🔍
05/03/2016 +5 days 🔍
05/21/2016 +18 days 🔍
07/27/2022 +2258 days 🔍

Sourcesinfo

Product: php.org

Advisory: 71637
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4344 (🔍)
X-Force: 112804 - PHP xml/filter_url/addcslashes buffer overflow

See also: 🔍

Entryinfo

Created: 05/03/2016 12:50
Updated: 07/27/2022 23:23
Changes: 05/03/2016 12:50 (72), 11/08/2018 10:58 (2), 07/27/2022 23:23 (5)
Complete: 🔍