CVE-2023-38691

matrix-appservice-bridge provides an API for setting up bridges. Starting in version 4.0.0 and prior to versions 8.1.2 and 9.0.1, a malicious Matrix server can use a foreign user's MXID in an OpenID exchange, allowing a bad actor to impersonate users when using the provisioning API. The library...

Code injection

matrix-appservice-bridge provides an API for setting up bridges. Starting in version 4.0.0 and prior to versions 8.1.2 and 9.0.1, a malicious Matrix server can use a foreign user's MXID in an OpenID exchange, allowing a bad actor to impersonate users when using the provisioning API. The library...

CVE-2023-0264

CVE-2023-0264 concerns an improper authentication flaw in Keycloak’s OpenID Connect user authentication, potentially allowing impersonation and new session token generation. The connected documents include a GitHub PoC (Exploit for Improper Authentication in Redhat Keycloak) describing a session ...

CVE-2023-0264

A flaw was found in Keycloaks OpenID Connect user authentication, which may incorrectly authenticate requests. An authenticated attacker who could obtain information from a user request within the same realm could use that data to impersonate the victim and generate new session tokens. This issue...

CVE-2023-38691 matrix-appservice-bridge doesn't verify the sub parameter of an openId token exhange, allowing unauthorized access to provisioning APIs

matrix-appservice-bridge provides an API for setting up bridges. Starting in version 4.0.0 and prior to versions 8.1.2 and 9.0.1, a malicious Matrix server can use a foreign user's MXID in an OpenID exchange, allowing a bad actor to impersonate users when using the provisioning API. The library...

CVE-2023-38691 matrix-appservice-bridge doesn't verify the sub parameter of an openId token exhange, allowing unauthorized access to provisioning APIs

matrix-appservice-bridge provides an API for setting up bridges. Starting in version 4.0.0 and prior to versions 8.1.2 and 9.0.1, a malicious Matrix server can use a foreign user's MXID in an OpenID exchange, allowing a bad actor to impersonate users when using the provisioning API. The library...

CVE-2023-38691

CVE-2023-38691 affects matrix-appservice-bridge. The issue: the bridge does not verify that the servername in the OpenID sub claim matches the target server, allowing a malicious Matrix server to impersonate users via the provisioning API. Affected versions are 4.0.0 up to 8.1.1 and 9.0.0; patch ...

CVE-2023-38691 matrix-appservice-bridge doesn't verify the sub parameter of an openId token exhange, allowing unauthorized access to provisioning APIs

matrix-appservice-bridge provides an API for setting up bridges. Starting in version 4.0.0 and prior to versions 8.1.2 and 9.0.1, a malicious Matrix server can use a foreign user's MXID in an OpenID exchange, allowing a bad actor to impersonate users when using the provisioning API. The library...

PT-2023-26556 · Unknown · Matrix-Appservice-Bridge

Name of the Vulnerable Software and Affected Versions: matrix-appservice-bridge versions 4.0.0 through 8.1.1 matrix-appservice-bridge versions 9.0.0 Description: A malicious Matrix server can use a foreign user's MXID in an OpenID exchange, allowing a bad actor to impersonate users when using the...

Important: Red Hat Security Advisory: mod_auth_openidc:2.3 security update

An update for the modauthopenidc:2.3 module is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

Important: Red Hat Security Advisory: mod_auth_openidc:2.3 security update

An update for the modauthopenidc:2.3 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for eac...

Important: Red Hat Security Advisory: mod_auth_openidc:2.3 security update

An update for the modauthopenidc:2.3 module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has...

Important: Red Hat Security Advisory: mod_auth_openidc:2.3 security update

An update for the modauthopenidc:2.3 module is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update...

Important: Red Hat Security Advisory: mod_auth_openidc:2.3 security update

An update for the modauthopenidc:2.3 module is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Important: mod_auth_openidc:2.3 security update

The modauthopenidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server. Security Fixes: cjose: AES GCM decryption uses the Tag length from the actual Authentication Tag...

ALSA-2023:4418 Important: mod_auth_openidc:2.3 security update

The modauthopenidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server. Security Fixes: cjose: AES GCM decryption uses the Tag length from the actual Authentication Tag...

OpenID Connect Anonymous Account

OpenID Connect is an identity layer on top of the OAuth 2.0 protocol which aims to determine the provider URL for an end user. By leveraging the /.well-known/webfinger endpoint, it is sometimes possible to determine if an anonymous account exists on the target server. By leveraging this...

Azure AD Token Forging Technique in Microsoft Attack Extends Beyond Outlook, Wiz Reports

The recent attack against Microsoft's email infrastructure by a Chinese nation-state actor referred to as Storm-0558 is said to have a broader scope than previously thought. According to cloud security company Wiz, the inactive Microsoft account MSA consumer signing key used to forge Azure Active...

Debian dla-3499 : libapache2-mod-auth-openidc - security update

The remote Debian 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-3499 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3499-1 [email protected]...

Debian: Security Advisory (DLA-3496-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...