CVE-2021-43999

CVE-2021-43999 affects Apache Guacamole 1.2.0 and 1.3.0 when SAML authentication is enabled. The issue arises from improper validation of responses from the SAML identity provider, which could allow a malicious user to impersonate another Guacamole user. Multiple connected sources (NVD, OSV, CNVD...

CVE-2021-43999

Removed by vendor...

CVE-2021-43999: Improper Authentication

Apache Guacamole 1.2.0 and 1.3.0 do not properly validate responses received from a SAML identity provider. If SAML support is enabled, this may allow a malicious user to assume the identity of another Guacamole user...

org.keycloak:keycloak-account-freemarker (1.3.0.final), org.keycloak:keycloak-broker-oidc (1.3.0.final) +10 more potentially affected by CVE-2021-4133 via org.keycloak:keycloak-services (1.3.0.final)

org.keycloak:keycloak-services MAVEN version 1.3.0.final is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - org.keycloak:keycloak-account-freemarker 1.3.0.final - org.keycloak:keycloak-broker-oidc...

org.keycloak:keycloak-account-freemarker (1.2.0.cr1), org.keycloak:keycloak-broker-oidc (1.2.0.cr1) +8 more potentially affected by CVE-2021-4133 via org.keycloak:keycloak-services (1.2.0.cr1)

org.keycloak:keycloak-services MAVEN version 1.2.0.cr1 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - org.keycloak:keycloak-account-freemarker 1.2.0.cr1 - org.keycloak:keycloak-broker-oidc 1.2.0.cr...

org.keycloak:keycloak-account-freemarker (1.6.0.final), org.keycloak:keycloak-broker-oidc (1.6.0.final) +9 more potentially affected by CVE-2021-4133 via org.keycloak:keycloak-services (1.6.0.final)

org.keycloak:keycloak-services MAVEN version 1.6.0.final is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - org.keycloak:keycloak-account-freemarker 1.6.0.final - org.keycloak:keycloak-broker-oidc...

org.keycloak:keycloak-account-freemarker (1.4.0.final), org.keycloak:keycloak-broker-oidc (1.4.0.final) +8 more potentially affected by CVE-2021-4133 via org.keycloak:keycloak-services (1.4.0.final)

org.keycloak:keycloak-services MAVEN version 1.4.0.final is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - org.keycloak:keycloak-account-freemarker 1.4.0.final - org.keycloak:keycloak-broker-oidc...

org.keycloak:keycloak-account-freemarker (1.5.0.final), org.keycloak:keycloak-broker-oidc (1.5.0.final) +8 more potentially affected by CVE-2021-4133 via org.keycloak:keycloak-services (1.5.0.final)

org.keycloak:keycloak-services MAVEN version 1.5.0.final is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - org.keycloak:keycloak-account-freemarker 1.5.0.final - org.keycloak:keycloak-broker-oidc...

org.keycloak:keycloak-account-freemarker (1.7.0.cr1), org.keycloak:keycloak-broker-oidc (1.7.0.cr1) +9 more potentially affected by CVE-2021-4133 via org.keycloak:keycloak-services (1.7.0.cr1)

org.keycloak:keycloak-services MAVEN version 1.7.0.cr1 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - org.keycloak:keycloak-account-freemarker 1.7.0.cr1 - org.keycloak:keycloak-broker-oidc 1.7.0.cr...

Mitigation of Supply Chain Risks in Microsoft 365

In this blog we review five attack techniques exploited to compromise MS 365 tenants. Qualys SaaS Detection & Response can be used by both IT and security teams to assess these threats, and then to fix common misconfigurations, hardening supply chain defenses. Last October, news of Microsoft 365 ...

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...

Fedora: Security Advisory for mod_auth_mellon (FEDORA-2021-5e033d6641)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Debian: Security Advisory (DSA-5029-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2021 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...

Debian DSA-5029-1 : sogo - security update

The remote Debian 10 / 11 host has packages installed that are affected by a vulnerability as referenced in the dsa-5029 advisory. It was discovered that missing SAML signature validation in the SOGo groupware could result in impersonation attacks. For the oldstable distribution buster, this...

[SECURITY] [DSA 5029-1] sogo security update

------------------------------------------------------------------------- Debian Security Advisory DSA-5029-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff December 22, 2021 https://www.debian.org/security/faq -...

GHSA-M9HP-7R99-94H5 Critical security issues in XML encoding in github.com/dexidp/dex

Impact The following vulnerabilities have been disclosed, which impact users leveraging the SAML connector: Signature Validation Bypass CVE-2020-15216: https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7 encoding/xml instabilities: - Element namespace prefix...

Critical security issues in XML encoding in github.com/dexidp/dex

Impact The following vulnerabilities have been disclosed, which impact users leveraging the SAML connector: Signature Validation Bypass CVE-2020-15216: https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7 encoding/xml instabilities: - Element namespace prefix...

GHSA-2X32-JM95-2CPX Authentication Bypass in dex

A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Thi...

Authentication Bypass in dex

A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Thi...