yii2-authclient vulnerable to possible timing attack on string comparison in OAuth1, OAuth2 and OpenID Connect implementation
CVE-2023-50708

6.1MEDIUM

Key Information:

Vendor

yiisoft

Status
yii2-authclient
Vendor
CVE Published:
22 December 2023

What is CVE-2023-50708?

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.

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Deploy the Patch

Affected Version(s)

yii2-authclient < 2.2.15

References

https://github.com/yiisoft/yii2-authclient/security/advis...
x_refsource_CONFIRM
https://github.com/yiisoft/yii2-authclient/commit/dabddf2...
x_refsource_MISC
https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f...
x_refsource_MISC

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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