CVE-2023-41089 in DEXGate
Summary
by MITRE • 10/25/2023
The affected product is vulnerable to an improper authentication vulnerability, which may allow an attacker to impersonate a legitimate user as long as the device keeps the session active, since the attack takes advantage of the cookie header to generate "legitimate" requests.
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Analysis
by VulDB Data Team • 11/11/2023
The vulnerability described in CVE-2023-41089 represents a critical improper authentication flaw that undermines the security posture of the affected product. This weakness stems from insufficient validation of session tokens within the application's authentication mechanism, specifically targeting how the system processes cookie headers during user sessions. The vulnerability allows malicious actors to exploit the session management infrastructure by crafting forged requests that appear legitimate to the server, thereby enabling unauthorized access to user accounts and resources.
The technical implementation of this vulnerability involves the manipulation of cookie headers to establish unauthorized sessions within the application's authentication framework. When a user authenticates successfully, the system typically generates a session cookie that serves as proof of identity for subsequent requests. However, in this case, the authentication system fails to properly validate the integrity and authenticity of these cookies, allowing attackers to either reuse valid session tokens or generate counterfeit ones that bypass standard authentication checks. This flaw operates at the application layer and specifically targets the session management component where the cookie header validation mechanism is insufficient or absent.
The operational impact of CVE-2023-41089 extends beyond simple unauthorized access, as it enables persistent impersonation capabilities that can remain effective for the duration of active sessions. Attackers can leverage this vulnerability to access sensitive user data, perform unauthorized transactions, modify account settings, and potentially escalate privileges within the affected system. The persistence of this threat means that once an attacker successfully exploits the vulnerability, they can maintain access for extended periods without requiring re-authentication, making detection and remediation more challenging. This vulnerability directly aligns with CWE-287, which addresses improper authentication issues, and represents a significant risk to user privacy and data integrity.
Security practitioners should implement multiple layers of mitigation to address this vulnerability effectively. The primary approach involves strengthening session management by implementing robust cookie validation mechanisms that include cryptographic signatures, secure random session identifiers, and proper session lifecycle management. Additionally, implementing session timeout mechanisms, enforcing secure cookie attributes such as HttpOnly and Secure flags, and deploying session fixation prevention measures will significantly reduce the attack surface. Organizations should also consider implementing multi-factor authentication as a compensating control and establish monitoring protocols to detect anomalous session behavior. The vulnerability's characteristics align with techniques described in the MITRE ATT&CK framework under the credential access and privilege escalation domains, emphasizing the need for comprehensive defensive measures that address both the immediate technical flaw and broader security architecture considerations.