CVE-2022-48477 in JetBrains
Summary
by MITRE • 04/24/2023
In JetBrains Hub before 2023.1.15725 SSRF protection in Auth Module integration was missing
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Analysis
by VulDB Data Team • 05/18/2023
The vulnerability identified as CVE-2022-48477 represents a critical server-side request forgery flaw within JetBrains Hub authentication module prior to version 2023.1.15725. This issue stems from the absence of proper SSRF protection mechanisms in the authentication integration components, creating a significant security gap that adversaries could exploit to manipulate server-side requests. The vulnerability specifically affects the authentication module's handling of external service integrations, where insufficient validation allows malicious actors to craft requests that bypass normal security controls. Such a flaw fundamentally undermines the integrity of the authentication process and potentially exposes sensitive backend systems to unauthorized access attempts.
The technical implementation of this vulnerability resides in the authentication module's failure to validate and sanitize external request parameters that are processed during service integration. When JetBrains Hub attempts to communicate with external authentication services or integration endpoints, the system does not properly verify the origins or destinations of these requests, enabling attackers to redirect requests to internal systems or external malicious endpoints. This represents a classic SSRF vector where the application's trust in its own internal services is exploited to gain unauthorized access to backend resources that should remain isolated from external threats. The vulnerability aligns with CWE-918 which specifically addresses server-side request forgery vulnerabilities in web applications.
The operational impact of this vulnerability extends beyond simple authentication bypasses, potentially enabling attackers to access internal network resources, perform reconnaissance on backend services, or even escalate privileges within the JetBrains Hub environment. An attacker could leverage this flaw to target internal systems that are normally protected by network segmentation, effectively breaking down the security boundaries that separate public-facing authentication services from private backend infrastructure. This vulnerability creates opportunities for lateral movement within the network and could serve as a stepping stone for more extensive attacks. The weakness directly impacts the principle of least privilege and could compromise the confidentiality, integrity, and availability of the entire JetBrains Hub platform.
Mitigation strategies for CVE-2022-48477 require immediate implementation of proper SSRF protection mechanisms within the authentication module. Organizations should update to JetBrains Hub version 2023.1.15725 or later, which includes the necessary security patches to address the missing protection controls. Additional defensive measures include implementing strict network access controls, configuring proper request validation and sanitization, and establishing robust monitoring for suspicious authentication requests. Security teams should also review and harden the authentication module's integration points to ensure that all external service communications are properly validated and that no untrusted inputs are processed without appropriate security controls. This vulnerability demonstrates the critical importance of maintaining comprehensive security controls across all application modules, particularly those handling authentication and external integrations. The flaw underscores the necessity of following security best practices as outlined in the ATT&CK framework's credential access and privilege escalation domains, where such vulnerabilities can significantly reduce an organization's overall security posture and create opportunities for advanced persistent threats to establish footholds within the environment.