CVE-2023-50708

The CVE concerns yii2-authclient (Yii framework 2.0) where OAuth1/2 state and OpenID Connect nonce are compared with a regular string comparison, enabling a timing attack. Affected versions are prior to 2.2.15. The issue is mitigated by upgrading to 2.2.15, which patches the comparison mechanism....

CVE-2023-50714: Server-Side Request Forgery (SSRF)

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 authStat...

GHSA-RW54-6826-C8J5 yiisoft/yii2-authclient's Oauth2 PKCE implementation is vulnerable

Impact What kind of vulnerability is it? Who is impacted? Original Report: The Oauth2 PKCE implementation is vulnerable in 2 ways: 1. The authCodeVerifier should be removed after usage similar to 'authState' 2. There is a risk for a "downgrade attack" if PKCE is being relied on for CSRF protectio...

CVE-2023-49104

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker...

CVE-2023-49104

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker...

Input validation

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker...

Design/Logic Flaw

authentik is an open-source identity provider. When initialising a oauth2 flow with a codechallenge and codemethod thus requesting PKCE, the single sign-on provider authentik must check if there is a matching and existing codeverifier during the token step. Prior to versions 2023.10.4 and 2023.8....

CVE-2023-48228 OAuth2: PKCE can be fully circumvented

authentik is an open-source identity provider. When initialising a oauth2 flow with a codechallenge and codemethod thus requesting PKCE, the single sign-on provider authentik must check if there is a matching and existing codeverifier during the token step. Prior to versions 2023.10.4 and 2023.8....

CVE-2023-48228

CVE-2023-48228 affects the authentik open-source IDP. The vulnerability is in the PKCE code_verifier validation during OAuth2 token exchange: prior to versions 2023.10.4 and 2023.8.5, authentik accepted a token request without verifying the code_verifier even when a code_challenge was used. The i...

CVE-2023-48228

authentik is an open-source identity provider. When initialising a oauth2 flow with a codechallenge and codemethod thus requesting PKCE, the single sign-on provider authentik must check if there is a matching and existing codeverifier during the token step. Prior to versions 2023.10.4 and 2023.8....

CVE-2023-48228 OAuth2: PKCE can be fully circumvented

authentik is an open-source identity provider. When initialising a oauth2 flow with a codechallenge and codemethod thus requesting PKCE, the single sign-on provider authentik must check if there is a matching and existing codeverifier during the token step. Prior to versions 2023.10.4 and 2023.8....

ownCloud Security Breach

ownCloud is a personal cloud storage solution from the U.S.-based ownCloud, Inc. A security vulnerability exists in ownCloud oauth2 versions prior to 0.6.1, which stems from the ability to pass in a specially crafted redirect URL in the oauth2 application that bypasses authentication code and can...

CVE-2023-49104

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker...

CVE-2023-49104: URL Redirection to Untrusted Site

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker...

CVE-2023-48228: Improper Authentication

authentik is an open-source identity provider. When initialising a oauth2 flow with a codechallenge and codemethod thus requesting PKCE, the single sign-on provider authentik must check if there is a matching and existing codeverifier during the token step. Prior to versions 2023.10.4 and 2023.8....

CVE-2023-49104

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker...

Subdomain Validation Bypass - ownCloud

Within the oauth2 app an attacker is able to pass in a specially crafted redirect-url which bypasses the validation code and thus allows the attacker to redirect callbacks to a TLD controlled by the attacker...

CVE-2023-49104

CVE-2023-49104 affects ownCloud’s OAuth2 component (versions before 0.6.1) where enabling “Allow Subdomains” lets an attacker craft a redirect-url that bypasses validation, enabling callbacks to a top‑level domain controlled by the attacker. Documents consistently state the impact as redirection ...

CVE-2023-49104

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker...

Malicious code in discord-oauth2.js (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 8c230934619742d3d57fbc719cc2eff0dabd57a22c74405adcdf1e214fee0b91 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...