GHSA-rw54-6826-c8j5MediumCVSS 6.8
yiisoft/yii2-authclient's Oauth2 PKCE implementation is vulnerable
🔗 CVE IDs covered (1)
📋 Description
Impact
What kind of vulnerability is it? Who is impacted?
Original Report:
The Oauth2 PKCE implementation is vulnerable in 2 ways:
- The
authCodeVerifiershould be removed after usage (similar to 'authState')- There is a risk for a "downgrade attack" if PKCE is being relied on for CSRF protection.
Patches
Has the problem been patched? What versions should users upgrade to?
2.2.15
Workarounds
Is there a way for users to fix or remediate the vulnerability without upgrading?
not known yet.
References
Are there any links users can visit to find out more?
🎯 Affected products1
- composer/yiisoft/yii2-authclient:< 2.2.15
🔗 References (7)
- https://github.com/yiisoft/yii2-authclient/security/advisories/GHSA-rw54-6826-c8j5
- https://github.com/yiisoft/yii2-authclient/commit/721ed974bc44137437b0cdc8454e137fff8db213
- https://nvd.nist.gov/vuln/detail/CVE-2023-50714
- 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
- https://github.com/advisories/GHSA-rw54-6826-c8j5