CVE-2022-3457 in rdiffweb
Summary
by MITRE • 10/14/2022
Origin Validation Error in GitHub repository ikus060/rdiffweb prior to 2.5.0a5.
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Analysis
by VulDB Data Team • 03/09/2026
The vulnerability identified as CVE-2022-3457 represents a critical origin validation error within the rdiffweb repository management system developed by ikus060. This flaw exists in versions prior to 2.5.0a5 and fundamentally compromises the integrity of the application's authentication and authorization mechanisms. The issue stems from inadequate validation of request origins, allowing malicious actors to potentially bypass security controls and gain unauthorized access to repository data. Such vulnerabilities are particularly dangerous in version control systems where repository integrity and access control are paramount to protecting sensitive code and development assets.
The technical implementation of this origin validation error manifests when the application fails to properly verify the source of incoming requests, particularly in scenarios involving cross-origin resource sharing or API interactions. This weakness creates an attack surface where adversaries can manipulate request headers or routing mechanisms to appear as legitimate origins, thereby circumventing established security boundaries. The vulnerability aligns with CWE-346, which specifically addresses "Origin Validation Error" in applications that fail to properly validate the origin of requests. This validation failure enables potential exploitation through techniques such as cross-site request forgery attacks or unauthorized access to protected repository functions.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential data breaches, code tampering, and compromise of the entire development pipeline. Attackers leveraging this flaw could manipulate repository contents, inject malicious code, or escalate privileges within the system. The implications are particularly severe in continuous integration environments where repository integrity directly affects software supply chain security. Organizations relying on rdiffweb for version control management face significant risk of unauthorized modifications to source code, configuration files, and sensitive development artifacts. This vulnerability directly impacts the CIA triad by compromising both confidentiality and integrity of repository data.
Mitigation strategies for CVE-2022-3457 require immediate deployment of the patched version 2.5.0a5 or later, which addresses the origin validation error through proper request origin verification mechanisms. Security teams should implement comprehensive monitoring for unauthorized access attempts and conduct thorough security audits of all repository interactions. The fix typically involves implementing robust origin validation checks that verify request headers against known legitimate sources and maintain strict access control policies. Organizations should also consider implementing additional security layers including network segmentation, multi-factor authentication for repository access, and regular security assessments of their version control infrastructure. This vulnerability demonstrates the critical importance of proper input validation and origin verification in maintaining secure application architectures, particularly in systems handling sensitive development assets and code repositories.