CVE-2023-39953 Issuer not verified from obtained token in user_oidc

useroidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version 1.0.0 and prior to version 1.3.3, missing verification of the issuer would have allowed an attacker to perform a man-in-the-middle attack returning corrupted or known token they also...

user_oidc app stores client secret unencrypted in database

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Nextcloud user_oidc security vulnerability

Nextcloud useroidc is an application from Nextcloud, Germany. A security vulnerability exists in Nextcloud useroidc version 1.0.0 through versions prior to 1.3.3. An attacker can exploit this vulnerability to impersonate the Nextcloud server against a linked server...

CVE-2023-32074

useroidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in useroidc app. It is recommended that the Nextcloud useroidc app is upgraded to 1.3.2...

CVE-2023-32074

CVE-2023-32074 affects the Nextcloud user_oidc app (OpenID Connect backend). The issue is an authentication flaw where brute-force protection is missing, allowing potential credential testing that can break or bypass authentication. The vulnerability is described for versions prior to 1.3.2; reme...

CVE-2023-32074 Nextcloud user_oidc app is missing brute force protection

useroidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in useroidc app. It is recommended that the Nextcloud useroidc app is upgraded to 1.3.2...

CVE-2023-32074 Nextcloud user_oidc app is missing brute force protection

useroidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in useroidc app. It is recommended that the Nextcloud useroidc app is upgraded to 1.3.2...

CVE-2023-32074 Nextcloud user_oidc app is missing brute force protection

useroidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in useroidc app. It is recommended that the Nextcloud useroidc app is upgraded to 1.3.2...

user_oidc app is missing bruteforce protection

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Nextcloud: user_oidc app is missing bruteforce protection

The useroidc app in Nextcloud was missing bruteforce protection, allowing attackers to iterate over data until they find valid authentication credentials, potentially bypassing authentication...

CVE-2023-28848 CSRF protection on user_oidc login returned the expected token in case of an error

useroidc is the OIDC connect user backend for Nextcloud, an open source collaboration platform. A vulnerability in versions 1.0.0 until 1.3.0 effectively allowed an attacker to bypass the state protection as they could just copy the expected state token from the first request to their second...

CVE-2023-28848

CVE-2023-28848 affects Nextcloud’s user_oidc (OIDC backend). Versions 1.0.0–1.3.0 allow bypassing CSRF state protection by copying the expected state token from the first request to the second. This enables a CSRF-like bypass. Remediation: upgrade user_oidc to 1.3.0. No known workarounds are prov...

CVE-2023-28848 CSRF protection on user_oidc login returned the expected token in case of an error

useroidc is the OIDC connect user backend for Nextcloud, an open source collaboration platform. A vulnerability in versions 1.0.0 until 1.3.0 effectively allowed an attacker to bypass the state protection as they could just copy the expected state token from the first request to their second...

CSRF protection on user_oidc login returned the expected token in case of an error

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Design/Logic Flaw

useroidc is an OpenID Connect user backend for Nextcloud. In versions prior to 1.2.1 sensitive information such as the OIDC client credentials and tokens are sent in plain text of HTTP without TLS. Any malicious actor with access to monitor user traffic may have been able to compromise account...

CVE-2022-39339 Cleartext Transmission of Sensitive Information in user_oidc

useroidc is an OpenID Connect user backend for Nextcloud. In versions prior to 1.2.1 sensitive information such as the OIDC client credentials and tokens are sent in plain text of HTTP without TLS. Any malicious actor with access to monitor user traffic may have been able to compromise account...

CVE-2022-39338

CVE-2022-39338 concerns Nextcloud’s user_oidc OpenID Connect backend. Connected sources confirm the issue is a stored XSS vulnerability caused by improper validation of discovery URLs in versions prior to 1.2.1, with exploitation demonstrated specifically in Safari (workarounds and CSP limitation...

CVE-2022-39339 Cleartext Transmission of Sensitive Information in user_oidc

useroidc is an OpenID Connect user backend for Nextcloud. In versions prior to 1.2.1 sensitive information such as the OIDC client credentials and tokens are sent in plain text of HTTP without TLS. Any malicious actor with access to monitor user traffic may have been able to compromise account...

CVE-2022-39339

Summary of CVE-2022-39339 : The Nextcloud OpenID Connect user backend, named user_oidc , is affected in versions prior to 1.2.1. The root cause is that sensitive data such as OIDC client credentials and tokens could be transmitted in plain HTTP (no TLS), enabling interception by anyone monitoring...

CVE-2022-39338 Stored cross site scripting (XSS) vulnerability via Authorization Endpoint in user_oidc

useroidc is an OpenID Connect user backend for Nextcloud. Versions prior to 1.2.1 did not properly validate discovery urls which may lead to a stored cross site scripting attack vector. The impact is limited due to the restrictive CSP that is applied on this endpoint. Additionally this...