Description
An issue in RUoYi v.4.8.0 allows a remote attacker to escalate privileges via the cancelAuthUserAll method does not properly validate whether the requesting user has administrative privileges
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-10359
1. Vulnerability Assessment and Severity Evaluation
The vulnerability described in EUVD-2025-10359 pertains to a privilege escalation issue in RUoYi v.4.8.0. Specifically, the cancelAuthUserAll method fails to properly validate whether the requesting user has administrative privileges. This flaw allows a remote attacker to escalate their privileges without authorization.
Severity Evaluation:
- Base Score: 9.8 (Critical)
- Base Score Version: CVSS 3.1
- Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The high base score indicates a critical vulnerability due to the following factors:
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): High (H)
- Availability (A): High (H)
This combination suggests that the vulnerability can be exploited remotely with low complexity, requiring no user interaction, and can lead to significant impacts on confidentiality, integrity, and availability.
2. Potential Attack Vectors and Exploitation Methods
Attack Vectors:
- Remote Exploitation: An attacker can exploit this vulnerability over the network without needing to be on the same local network as the target system.
- Privilege Escalation: The attacker can escalate their privileges to administrative levels, allowing them to perform unauthorized actions.
Exploitation Methods:
- Direct Method Invocation: The attacker can directly invoke the
cancelAuthUserAllmethod without proper validation checks. - Automated Scripts: Attackers may use automated scripts to scan for vulnerable instances of RUoYi v.4.8.0 and exploit the vulnerability en masse.
3. Affected Systems and Software Versions
Affected Software:
- RUoYi v.4.8.0
Affected Systems:
- Any system running RUoYi v.4.8.0, including but not limited to:
- Web servers hosting RUoYi applications
- Cloud-based deployments of RUoYi
- On-premises installations of RUoYi
4. Recommended Mitigation Strategies
Immediate Mitigation:
- Patching: Upgrade to a patched version of RUoYi that addresses this vulnerability.
- Access Controls: Implement strict access controls to limit who can invoke administrative methods.
- Network Segmentation: Segment the network to isolate critical systems and reduce the attack surface.
Long-Term Mitigation:
- Regular Audits: Conduct regular security audits and vulnerability assessments.
- Intrusion Detection: Deploy intrusion detection systems (IDS) to monitor for suspicious activities.
- User Training: Educate users on the importance of security best practices and the risks associated with privilege escalation vulnerabilities.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant risk to organizations within the European Union, particularly those relying on RUoYi for their administrative and management systems. The potential for unauthorized privilege escalation can lead to data breaches, unauthorized access, and system compromises, which can have severe financial and reputational impacts.
Regulatory Compliance:
- Organizations must ensure compliance with GDPR and other relevant regulations to protect user data and maintain trust.
- Failure to address this vulnerability could result in regulatory penalties and legal consequences.
6. Technical Details for Security Professionals
Vulnerability Details:
- Method:
cancelAuthUserAll - Issue: Lack of proper validation for administrative privileges
- Impact: Allows remote attackers to escalate privileges
Detection:
- Log Analysis: Monitor logs for unauthorized access attempts and privilege escalation activities.
- Behavioral Analysis: Use behavioral analysis tools to detect anomalous activities that may indicate an exploitation attempt.
Response:
- Incident Response Plan: Develop and implement an incident response plan to quickly identify and mitigate any exploitation attempts.
- Forensic Analysis: Conduct forensic analysis to understand the scope and impact of any successful exploitation.
References:
Conclusion: The vulnerability in RUoYi v.4.8.0 is critical and requires immediate attention. Organizations should prioritize patching and implementing robust security measures to mitigate the risk of exploitation. Continuous monitoring and regular security assessments are essential to maintain a strong cybersecurity posture.