Cordaware bestinformed up to 6.2.0 Microsoft Windows Client Certificate certificate 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.
8.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Cordaware bestinformed up to 6.2.0. This affects an unknown function of the component Microsoft Windows Client. Performing a manipulation as part of Certificate results in certificate validation. This vulnerability is known as CVE-2019-6266. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cordaware bestinformed up to 6.2.0. This affects an unknown code of the component Microsoft Windows Client. The manipulation as part of a Certificate leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Cordaware bestinformed Microsoft Windows client before 6.2.1.0 is affected by insecure SSL certificate verification and insecure access patterns. These issues allow remote attackers to downgrade encrypted connections to cleartext.

The bug was discovered 01/14/2019. The weakness was published 02/25/2019. This vulnerability is uniquely identified as CVE-2019-6266 since 01/14/2019. 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. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 42 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.2.1.0 eliminates this vulnerability.

Similar entry is available at VDB-131204. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: bestinformed 6.2.1.0

Timelineinfo

01/14/2019 🔍
01/14/2019 +0 days 🔍
02/25/2019 +42 days 🔍
02/26/2019 +1 days 🔍
07/19/2023 +1604 days 🔍

Sourcesinfo

Advisory: detack.de
Status: Not defined

CVE: CVE-2019-6266 (🔍)
GCVE (CVE): GCVE-0-2019-6266
GCVE (VulDB): GCVE-100-131205
See also: 🔍

Entryinfo

Created: 02/26/2019 08:47
Updated: 07/19/2023 16:35
Changes: 02/26/2019 08:47 (59), 05/12/2020 20:50 (1), 07/19/2023 16:35 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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