VDB-111237 · CVE-2017-1000423 · OpenVAS 59017

b2evolution up to 6.8.10 Install Backslash input validation

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.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in b2evolution up to 6.8.10. It has been rated as critical. Impacted is an unknown function of the component Install. Performing a manipulation as part of Backslash results in input validation. This vulnerability is reported as CVE-2017-1000423. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in b2evolution up to 6.8.10 (Content Management System). It has been classified as critical. This affects an unknown function of the component Install. The manipulation as part of a Backslash leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

b2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and single quote escape) in basic install functionality resulting in unauthenticated attacker gaining PHP code execution on the victim's setup.

The bug was discovered 01/02/2018. The weakness was disclosed 01/02/2018 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2017-1000423 since 01/02/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Content Management System

Name

b2evolution

Version

License

free

Website

Product: https://github.com/b2evolution/b2evolution/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

OpenVAS ID: 59017
OpenVAS Name: b2evolution Remote PHP Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/02/2018 🔍
01/02/2018 +0 days 🔍
01/02/2018 +0 days 🔍
01/02/2018 +0 days 🔍
01/03/2018 +1 days 🔍
01/19/2023 +1842 days 🔍

Sourcesinfo

Product: github.com

Advisory: 0096a3ebc85f6aadbda2c4427cd092a538b161d2
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-1000423 (🔍)
GCVE (CVE): GCVE-0-2017-1000423
GCVE (VulDB): GCVE-100-111237

Entryinfo

Created: 01/03/2018 09:17
Updated: 01/19/2023 16:36
Changes: 01/03/2018 09:17 (60), 12/19/2019 08:14 (2), 01/19/2023 16:36 (5)
Complete: 🔍
Cache ID: 216::103