CVE-2023-50714

CVSS 3.1 Score 6.8 of 10 (medium)

Details

Published Dec 22, 2023
Updated: Jan 8, 2024
CWE ID 287
CWE ID 918
CWE ID 347

Summary

CVE-2023-50714 is a vulnerability in the yii2-authclient extension, affecting versions prior to 2.2.15. This vulnerability is related to the Oauth2 PKCE implementation and has two main issues. First, the `authCodeVerifier` should be removed after usage. Second, there is a risk of a `downgrade attack` if PKCE is relied upon for CSRF protection. The vulnerability has a base severity of MEDIUM with a CVSS score of 6.8, indicating high impact on confidentiality and integrity. The affected products include various versions of yii2-authclient. To remediate this vulnerability, users should update to version 2.2.15 or higher as there are no known workarounds available. Organizations using yii2-authclient should be aware of the potential dangers this vulnerability poses, such as compromised data and unauthorized access to sensitive information.

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