Description
anji-plus AJ-Report is affected by an authentication bypass vulnerability. A remote and unauthenticated attacker can append ";swagger-ui" to HTTP requests to bypass authentication and execute arbitrary Java on the victim server.
EPSS Score:
1%
Comprehensive Technical Analysis of EUVD-2024-48255
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2024-48255 affects the anji-plus AJ-Report software and is classified as an authentication bypass vulnerability. The CVSS (Common Vulnerability Scoring System) base score of 9.8 indicates a critical severity level. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H breaks down as follows:
- Attack Vector (AV): Network (N) - The vulnerability can be exploited remotely over the network.
- Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources to exploit.
- Privileges Required (PR): None (N) - No prior authentication is required to exploit the vulnerability.
- User Interaction (UI): None (N) - No user interaction is required for the attack to succeed.
- Scope (S): Unchanged (U) - The vulnerability does not change the security scope.
- Confidentiality (C): High (H) - The vulnerability allows for unauthorized access to sensitive information.
- Integrity (I): High (H) - The vulnerability allows for unauthorized modification of data.
- Availability (A): High (H) - The vulnerability allows for disruption of services.
Given these factors, the vulnerability poses a significant risk to affected systems.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector involves appending ;swagger-ui to HTTP requests, which bypasses the authentication mechanism. This allows an unauthenticated attacker to execute arbitrary Java code on the victim server. Potential exploitation methods include:
- Remote Code Execution (RCE): By appending the specific string to HTTP requests, attackers can inject malicious Java code to be executed on the server.
- Data Exfiltration: Attackers can exploit the vulnerability to access and exfiltrate sensitive data stored on the server.
- Service Disruption: Attackers can use the vulnerability to disrupt services by executing code that affects the server's availability.
3. Affected Systems and Software Versions
The vulnerability affects the anji-plus AJ-Report software versions prior to 1.4.1. Organizations using these versions are at risk and should prioritize updating to a patched version.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Update Software: Immediately update to AJ-Report version 1.4.1 or later, which includes the necessary security patches.
- Network Segmentation: Implement network segmentation to limit the exposure of vulnerable systems to external threats.
- Access Controls: Enforce strict access controls and monitor for unusual activity on the network.
- Intrusion Detection Systems (IDS): Deploy IDS to detect and respond to suspicious network traffic patterns.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security gaps.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant threat to organizations within the European Union that rely on the anji-plus AJ-Report software. Given the critical nature of the vulnerability, it could lead to data breaches, service disruptions, and potential financial losses. The European cybersecurity landscape must prioritize patching and mitigation efforts to protect against such threats.
6. Technical Details for Security Professionals
For security professionals, the following technical details are crucial:
- Exploit Code: The vulnerability can be exploited by appending
;swagger-uito HTTP requests. This bypasses authentication and allows for arbitrary Java code execution. - Detection: Monitor network traffic for unusual patterns, such as repeated attempts to access
;swagger-uiendpoints. - Response: Implement incident response plans to quickly identify and mitigate any successful exploitation attempts.
- Patch Management: Ensure that all instances of AJ-Report are updated to version 1.4.1 or later.
- References:
By following these recommendations and staying vigilant, organizations can effectively mitigate the risks associated with EUVD-2024-48255.