{"id":"CVE-2023-50708","state":"PUBLISHED","title":"yii2-authclient vulnerable to possible timing attack on string comparison in OAuth1, OAuth2 and OpenID Connect implementation","description":"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 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()`). Version 2.2.15 contains a patch for the issue. No known workarounds are available.","publishedAt":"2023-12-22T18:25:01.925Z","updatedAt":"2024-08-02T22:16:47.124Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["yiisoft yii2-authclient"],"affected":[{"vendor":"yiisoft","product":"yii2-authclient","versions":[{"version":"< 2.2.15","status":"affected"}]}],"references":["https://github.com/yiisoft/yii2-authclient/security/advisories/GHSA-w8vh-p74j-x9xp","https://github.com/yiisoft/yii2-authclient/commit/dabddf2154ab7e7703740205a069202554089248","https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth1.php#L158","https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth2.php#L121","https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OpenIdConnect.php#L420"],"weaknesses":["CWE-203"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/50xxx/CVE-2023-50708.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-50708","state":"PUBLISHED","datePublished":"2023-12-22T18:25:01.925Z","dateUpdated":"2024-08-02T22:16:47.124Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-12-11T17:53:36.027Z"},"containers":{"cna":{"title":"yii2-authclient vulnerable to possible timing attack on string comparison in OAuth1, OAuth2 and OpenID Connect implementation","descriptions":[{"lang":"en","value":"yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. 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