CVE-2022-25262 in JetBrains
Summary
by MITRE • 02/25/2022
In JetBrains Hub before 2022.1.14434, SAML request takeover was possible.
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Analysis
by VulDB Data Team • 03/03/2022
The vulnerability identified as CVE-2022-25262 affects JetBrains Hub versions prior to 2022.1.14434 and represents a significant security flaw in the Single Sign-On implementation that allows for SAML request takeover attacks. This vulnerability specifically impacts the authentication flow within JetBrains Hub's SAML integration, creating a potential pathway for malicious actors to intercept, manipulate, or hijack authentication requests between the identity provider and the service provider. The flaw resides in how the system handles SAML authentication requests, particularly in the validation and processing of SAML parameters that are exchanged during the authentication process.
The technical nature of this vulnerability stems from inadequate input validation and parameter handling within the SAML request processing mechanism. When users attempt to authenticate through SAML, the system should validate that the incoming SAML request originates from a legitimate identity provider and contains valid parameters that have not been tampered with during transit. However, the vulnerability allows attackers to manipulate SAML request parameters or inject malicious content that can be processed by the Hub system without proper validation checks. This weakness creates an attack surface where an adversary could potentially forge SAML requests or redirect authentication flows to malicious endpoints, effectively bypassing the intended authentication controls.
The operational impact of this vulnerability extends beyond simple authentication bypass scenarios and could enable attackers to gain unauthorized access to user accounts within the JetBrains Hub environment. An attacker exploiting this vulnerability could potentially impersonate legitimate users, access restricted resources, or perform actions with elevated privileges depending on the user's role within the system. The consequences are particularly severe for organizations that rely heavily on centralized authentication through SAML, as this vulnerability could compromise the entire authentication infrastructure and potentially lead to broader system compromise if the Hub integrates with other services or databases. The vulnerability also affects the integrity of the authentication process, undermining the trust that organizations place in their SAML-based identity management systems.
Organizations should immediately update their JetBrains Hub installations to version 2022.1.14434 or later to remediate this vulnerability, as the update includes proper validation mechanisms for SAML requests and addresses the parameter handling flaws that enabled the takeover attack. Additional mitigations include implementing network-level controls to monitor and restrict SAML traffic, conducting thorough security assessments of SAML configurations, and reviewing access controls to limit the potential damage from any successful exploitation attempts. This vulnerability aligns with CWE-284, which addresses improper access control in authentication systems, and could be categorized under ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting through social engineering or compromised authentication flows. Security teams should also consider implementing additional monitoring for unusual authentication patterns and SAML request anomalies to detect potential exploitation attempts before they succeed.