PYSEC-2022-206

OAuthenticator is an OAuth token library for the JupyerHub login handler. CILogonOAuthenticator is provided by the OAuthenticator package, and lets users log in to a JupyterHub via CILogon. This is primarily used to restrict a JupyterHub only to users of a given institute. The allowedidps...

Authorization Bypass Through User-Controlled Key when using CILogonOAuthenticator oauthenticator

Background CILogon is a federated auth provider that allows users to authenticate themselves via a number of Identity Providers IdP, focused primarily on educational and research institutions such as Universities. More traditional and open IdPs such as GitHub, ORCID, Google, Microsoft, etc are al...

CVE-2022-31027 Authorization Bypass Through User-Controlled Key when using CILogonOAuthenticator in oauthenticator

OAuthenticator is an OAuth token library for the JupyerHub login handler. CILogonOAuthenticator is provided by the OAuthenticator package, and lets users log in to a JupyterHub via CILogon. This is primarily used to restrict a JupyterHub only to users of a given institute. The allowedidps...

CVE-2022-31027 Authorization Bypass Through User-Controlled Key when using CILogonOAuthenticator in oauthenticator

OAuthenticator is an OAuth token library for the JupyerHub login handler. CILogonOAuthenticator is provided by the OAuthenticator package, and lets users log in to a JupyterHub via CILogon. This is primarily used to restrict a JupyterHub only to users of a given institute. The allowedidps...

CVE-2022-31027

CVE-2022-31027 affects the OAuthenticator/CILogonOAuthenticator used by JupyterHub. The root cause is that allowed_idps is validated only by email domain, not by IdP (provider) identity, allowing login via an alternate IdP with a @domained email (e.g., berkeley.edu) to bypass intended restriction...

Improper Authentication in OpenSAML

Shibboleth OpenSAML library 2.4.x before 2.4.3 and 2.5.x before 2.5.1, and IdP before 2.3.2, allows remote attackers to forge messages and bypass authentication via an "XML Signature wrapping attack."...

Ipsilon denial of service via a duplicate SP name

providers/saml2/admin.py in the Identity Provider IdP server in Ipsilon 0.1.0 before 1.0.1 does not properly check permissions to update the SAML2 Service Provider SP owner, which allows remote authenticated users to cause a denial of service via a duplicate SP name...

GHSA-J4QF-3W33-8CGC SimpleSAMLphp Signature validation bypass

A signature-validation bypass issue was discovered in SimpleSAMLphp through 1.14.16. A SimpleSAMLphp Service Provider using SAML 1.1 will regard as valid any unsigned SAML response containing more than one signed assertion, provided that the signature of at least one of the assertions is valid...

SimpleSAMLphp Signature validation bypass

A signature-validation bypass issue was discovered in SimpleSAMLphp through 1.14.16. A SimpleSAMLphp Service Provider using SAML 1.1 will regard as valid any unsigned SAML response containing more than one signed assertion, provided that the signature of at least one of the assertions is valid...

VMware vCenter Forge SAML Authentication Credentials

This module forges valid SAML credentials for vCenter server using the vCenter SSO IdP certificate, IdP private key, and VMCA certificates as input objects; you must also provide the vCenter SSO domain name and vCenter FQDN. The module will return a session cookie for the /ui path that grants...

ALSA-2022:1934 Moderate: mod_auth_mellon security update

The modauthmellon module for the Apache HTTP Server is an authentication service that implements the SAML 2.0 federation protocol. The module grants access based on the attributes received in assertions generated by an IdP server. Security Fixes: modauthmellon: Open Redirect vulnerability in logo...

Moderate: mod_auth_mellon security update

The modauthmellon module for the Apache HTTP Server is an authentication service that implements the SAML 2.0 federation protocol. The module grants access based on the attributes received in assertions generated by an IdP server. Security Fixes: modauthmellon: Open Redirect vulnerability in logo...

CVE-2022-23600 Limited ability to spoof SAML authentication with missing audience verification

fleet is an open source device management, built on osquery. Versions prior to 4.9.1 expose a limited ability to spoof SAML authentication with missing audience verification. This impacts deployments using SAML SSO in two specific cases: 1. A malicious or compromised Service Provider SP could reu...

[SECURITY] Fedora 34 Update: mod_auth_mellon-0.18.0-1.fc34

The modauthmellon module is an authentication service that implements the SAML 2.0 federation protocol. It grants access based on the attributes received in assertions generated by a IdP server...

What is SAML authentication ❓ How does it work ❓

Enterprises using various business apps have a tough time maintaining data’s secrecy and access grants as per user roles throughout the infrastructure landscape. SAML Security Assertion Markup Language shows up as a great aid at this front. Let’s see what is it, how it works, what are its...

[SECURITY] Fedora 35 Update: mod_auth_mellon-0.18.0-1.fc35

The modauthmellon module is an authentication service that implements the SAML 2.0 federation protocol. It grants access based on the attributes received in assertions generated by a IdP server...

Authentication Bypass

github.com/minio/console is vulnerable to authentication bypass. When external IDP is enabled in Operator Console, operator does not perform sufficient validation checks on 'Oauth2' login flow, leading to authentication bypass...

Authentication bypass issue in the Operator Console

During an internal security audit, we detected an authentication bypass issue in the Operator Console when an external IDP is enabled. The security issue has been reported internally. We have not observed this exploit in the wild or reported elsewhere in the community at large. All users are...

GHSA-4999-659W-MQ36 Authentication bypass issue in the Operator Console

During an internal security audit, we detected an authentication bypass issue in the Operator Console when an external IDP is enabled. The security issue has been reported internally. We have not observed this exploit in the wild or reported elsewhere in the community at large. All users are...

CVE-2021-41266

Minio console is a graphical user interface for the for MinIO operator. Minio itself is a multi-cloud object storage project. Affected versions are subject to an authentication bypass issue in the Operator Console when an external IDP is enabled. All users on release v0.12.2 and before are affect...