Vulnerability · Published Dec 22, 2023 · Assigned by GitHub_M
CVE-2023-50708yii2-authclient vulnerable to possible timing attack on string comparison in OAuth1, OAuth2 and OpenID Connect implementation
Medium 6.1
In plain English
A medium-severity security flaw in yii2-authclient from yiisoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | yiisoft/yii2-authclient | 2.2.15 | GHSA-w8vh-p74j-x9xp |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| yiisoft | yii2-authclient | < 2.2.15 |
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
References
- https://github.com/yiisoft/yii2-authclient/security/advisories/GHSA-w8vh-p74j-x9xp x_refsource_CONFIRM
- https://github.com/yiisoft/yii2-authclient/commit/dabddf2154ab7e7703740205a069202554089248 x_refsource_MISC
- https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth1.php#L158 x_refsource_MISC
- https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OAuth2.php#L121 x_refsource_MISC
- https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650b54e69695ff/src/OpenIdConnect.php#L420 x_refsource_MISC