Observable Discrepancy
CVE-2023-50708
Summary
yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yiisoft/yii2-authclient package version prior to 2.2.15, the Oauth1/2 `state` and OpenID Connect `nonce` is vulnerable for a Timing Attack since it is compared via regular string comparison (instead of `Yii::$app->getSecurity()->compareString()`). There are no known workarounds are available.
- LOW
- NETWORK
- HIGH
- UNCHANGED
- NONE
- NONE
- HIGH
- HIGH
CWE-203 - Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
References
Advisory Timeline
- Published