yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth2 PKCE implementation is vulnerable in 2 ways. First, the `authCodeVerifier` should be removed after usage (similar to `authState`). Second, there is a risk for a `downgrade attack` if PKCE is being relied on for CSRF protection. Version 2.2.15 contains a patch for the issue. No known workarounds are available.
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Wed, 27 Nov 2024 16:15:00 +0000
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published: 2023-12-22T18:30:03.118Z
Updated: 2024-11-27T15:43:11.763Z
Reserved: 2023-12-11T17:53:36.029Z
Link: CVE-2023-50714
Vulnrichment
Updated: 2024-08-02T22:16:47.248Z
NVD
Status : Modified
Published: 2023-12-22T19:15:09.057
Modified: 2024-11-21T08:37:11.637
Link: CVE-2023-50714
Redhat
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