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.
9.6	$0-$5k	0.00

A vulnerability, which was classified as very critical, was found in PHP up to 7.0.8 (Programming Language Software). This affects the function unserialize of the file ext/session/session.c of the component Session Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 07/21/2016 as Version 7.0.9 as confirmed changelog (Website). It is possible to read the advisory at php.net. This vulnerability is uniquely identified as CVE-2016-6290 since 07/24/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/09/2022).

The vulnerability scanner Nessus provides a plugin with the ID 119979 (SUSE SLES12 Security Update : php5 (SUSE-SU-2016:2408-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175796 (Debian Security Update for php5 (DSA 3631-1) (HTTPoxy)).

Upgrading to version 7.0.9 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119979). The entries 90198, 90199, 90200 and 90201 are related to this item.

Productinfo

Type

• Programming Language Software

Name

• PHP

Version

• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8

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: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 119979
Nessus Name: SUSE SLES12 Security Update : php5 (SUSE-SU-2016:2408-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 September-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PHP 7.0.9
Patch: 3798eb6fd5dddb211b01d41495072fd9858d4e32

Timelineinfo

07/08/2016 🔍
07/21/2016 +13 days 🔍
07/21/2016 +0 days 🔍
07/22/2016 +1 days 🔍
07/24/2016 +2 days 🔍
07/25/2016 +1 days 🔍
01/02/2019 +891 days 🔍
09/09/2022 +1346 days 🔍

Sourcesinfo

Product: php.org

Advisory: Version 7.0.9
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6290 (🔍)
OVAL: 🔍

SecurityTracker: 1036430
SecurityFocus: 92097 - PHP 'session.c' Use After Free Remote Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 07/22/2016 20:06
Updated: 09/09/2022 09:02
Changes: 07/22/2016 20:06 (59), 03/10/2019 08:31 (24), 09/09/2022 09:02 (6)
Complete: 🔍

Discussion

Do you need the next level of professionalism?

Upgrade your account now!