Executive Summary

Informations
Name CVE-2023-50714 First vendor Publication 2023-12-22
Vendor Cve Last vendor Modification 2024-01-08

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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 Oauth2 PKCE implementation is vulnerable in 2 ways. First, the `authCodeVerifier` should be removed after usage (similar to `authState`). Second, there is a risk for a `downgrade attack` if PKCE is being relied on for CSRF protection. Version 2.2.15 contains a patch for the issue. No known workarounds are available.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-50714

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-287 Improper Authentication

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650...
https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650...
https://github.com/yiisoft/yii2-authclient/blob/0d1c3880f4d79e20aa1d77c012650...
https://github.com/yiisoft/yii2-authclient/commit/721ed974bc44137437b0cdc8454...
https://github.com/yiisoft/yii2-authclient/security/advisories/GHSA-rw54-6826...
Source Url

Alert History

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0
1
Date Informations
2024-01-08 21:27:36
  • Multiple Updates
2023-12-23 00:27:29
  • First insertion