CVE-2022-3327 in rdiffweb
Summary
by MITRE • 10/20/2022
Missing Authentication for Critical Function in GitHub repository ikus060/rdiffweb prior to 2.5.0a6.
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Analysis
by VulDB Data Team • 05/09/2025
The vulnerability identified as CVE-2022-3327 represents a critical authentication flaw in the rdiffweb repository management system developed by ikus060. This issue affects versions prior to 2.5.0a6 and constitutes a failure in implementing proper access controls for essential administrative functions. The vulnerability falls under the CWE-306 category, which specifically addresses missing authentication for critical functions, making it a serious security concern that could allow unauthorized users to gain administrative privileges.
The technical implementation of this vulnerability stems from insufficient validation of user credentials before granting access to critical administrative operations within the rdiffweb application. When users attempt to perform administrative tasks such as modifying repository configurations, managing user accounts, or accessing sensitive system settings, the application fails to properly verify their authorization status. This authentication gap creates a pathway for malicious actors to exploit the system and execute privileged operations without proper credentials, effectively bypassing the intended security controls.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it fundamentally undermines the security posture of any system utilizing affected versions of rdiffweb. Attackers who can exploit this flaw can manipulate repository data, potentially leading to data loss, unauthorized modifications, or complete system compromise. The vulnerability is particularly concerning in environments where rdiffweb serves as a central repository management solution, as it could enable attackers to establish persistent access or escalate privileges to gain control over the entire repository infrastructure. This weakness directly violates the principle of least privilege and creates opportunities for lateral movement within network environments.
Mitigation strategies for CVE-2022-3327 require immediate deployment of the patched version 2.5.0a6 or later, which implements proper authentication mechanisms for critical functions. Organizations should conduct comprehensive security assessments to identify any potential exploitation attempts and review access logs for suspicious activities. The remediation process must include thorough testing of the updated authentication mechanisms to ensure that all administrative functions properly validate user credentials before execution. Additionally, system administrators should implement network segmentation and monitoring controls to detect and prevent unauthorized access attempts, while also following the ATT&CK framework's recommendations for credential access and privilege escalation techniques. Regular security audits and vulnerability scanning should be conducted to maintain ongoing protection against similar authentication bypass vulnerabilities in the repository management infrastructure.