Identity Provider | Breaking Cybersecurity News | The Hacker News

GitHub has rolled out fixes to address a maximum severity flaw in the GitHub Enterprise Server (GHES) that could allow an attacker to bypass authentication protections. Tracked as  CVE-2024-4985  (CVSS score: 10.0), the issue could permit unauthorized access to an instance without requiring prior authentication. "On instances that use SAML single sign-on (SSO) authentication with the optional encrypted assertions feature, an attacker could forge a SAML response to provision and/or gain access to a user with administrator privileges," the company said in an advisory. GHES is a self-hosted platform for software development, allowing organizations to store and build software using Git version control as well as automate the deployment pipeline. The issue impacts all versions of GHES prior to 3.13.0 and has been  addressed  in versions 3.9.15, 3.10.12, 3.11.10 and 3.12.4. GitHub further noted that encrypted assertions are not enabled by default...

Cybersecurity researchers have disclosed a new attack technique called  Silver SAML  that can be successful even in cases where mitigations have been applied against Golden SAML attacks. Silver SAML "enables the exploitation of SAML to launch attacks from an identity provider like Entra ID against applications configured to use it for authentication, such as Salesforce," Semperis researchers Tomer Nahum and Eric Woodruff  said  in a report shared with The Hacker News. Golden SAML (short for  Security Assertion Markup Language ) was  first documented  by CyberArk in 2017. The attack vector, in a nutshell, entails the abuse of the interoperable authentication standard to impersonate almost any identity in an organization. It's also similar to the  Golden Ticket attack  in that it grants attackers the ability to gain unauthorized access to any service in a federation with any privileges and to stay persistent in this environment in a stealth...

As work ebbs with the typical end-of-year slowdown, now is a good time to review user roles and privileges and remove anyone who shouldn't have access as well as trim unnecessary permissions. In addition to saving some unnecessary license fees, a clean user inventory significantly enhances the security of your SaaS applications. From reducing risk to protecting against data leakage, here is how you can start the new year with a clean user list.  How Offboarded Users  Still  Have Access to Your Apps When employees leave a company, they trigger a series of changes to backend systems in their wake. First, they are removed from the company's identity provider (IdP), which kicks off an automated workflow that deactivates their email and removes access to all internal systems. When enterprises use an SSO (single sign-on), these former employees lose access to any online properties – including SaaS applications – that require SSO for login.  However, that doesn't mean t...

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