Ascensia Contour NEXT ONE App on iOS Certificate Pinning weak authentication

A vulnerability, which was classified as critical, has been found in Ascensia Contour NEXT ONE App on iOS. This issue affects some functionality. The manipulation with an unknown input leads to a weak authentication vulnerability (Certificate Pinning). Using CWE to declare the problem leads to CWE-287. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 05/06/2019. The identification of this vulnerability is CVE-2018-18975 since 11/05/2018. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The entries 134418, 134419, 134420 and 134421 are pretty similar.

Vendor

• Ascensia

Name

• Contour NEXT ONE App

• ?

• ?

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Weak authentication / Certificate Pinning (CWE-287)
Local: No
Remote: Yes

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: Upgrade
Status: ?
0-Day Time: ?11/05/2018 CVE assigned
01/15/2019 +71 days Countermeasure disclosed
05/06/2019 +111 days Advisory disclosed
05/07/2019 +1 days VulDB entry created
05/07/2019 +0 days VulDB last updateCVE: CVE-2018-18975 (?)
See also: ?Created: 05/07/2019 07:14 AM
Complete: ?

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