CVE-2024-27905
CVE-2024-27905
Weakness (CWE)
CVSS Vector
v3.1- Attack Vector
- Network
- Attack Complexity
- Low
- Privileges Required
- None
- User Interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Description
** UNSUPPORTED WHEN ASSIGNED ** Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Aurora. An endpoint exposing internals to unauthenticated users can be used as a "padding oracle" allowing an anonymous attacker to construct a valid authentication cookie. Potentially this could be combined with vulnerabilities in other components to achieve remote code execution. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
Comprehensive Technical Analysis of CVE-2024-27905
1. Vulnerability Assessment and Severity Evaluation
CVE-2024-27905 is a critical vulnerability in Apache Aurora, specifically an "Exposure of Sensitive Information to an Unauthorized Actor." This vulnerability allows unauthenticated users to access sensitive internal data, which can be exploited to construct valid authentication cookies. The CVSS score of 9.1 indicates a high severity, reflecting the potential for significant impact if exploited.
2. Potential Attack Vectors and Exploitation Methods
- Padding Oracle Attack: An attacker can exploit the exposed endpoint to perform a padding oracle attack, which involves manipulating encrypted data to decrypt it without knowing the encryption key. This can lead to the construction of valid authentication cookies.
- Remote Code Execution (RCE): The vulnerability can be combined with other vulnerabilities in different components to achieve RCE, allowing attackers to execute arbitrary code on the affected system.
- Data Exfiltration: Unauthenticated access to internal data can result in the exfiltration of sensitive information, leading to data breaches.
3. Affected Systems and Software Versions
The vulnerability affects Apache Aurora, a retired project. Specific versions are not mentioned, but it is implied that all versions are affected since the project is no longer supported. Organizations using Apache Aurora in any capacity are at risk.
4. Recommended Mitigation Strategies
- Migration to Alternative Solutions: Given that Apache Aurora is retired and no patches will be released, organizations should migrate to alternative, supported solutions.
- Access Restrictions: Implement strict access controls to restrict access to the affected instance to trusted users only. This can be achieved through network segmentation, firewall rules, and VPNs.
- Monitoring and Logging: Enhance monitoring and logging to detect any unauthorized access attempts or suspicious activities.
- Regular Audits: Conduct regular security audits to identify and mitigate any potential vulnerabilities in the system.
5. Impact on Cybersecurity Landscape
The retirement of Apache Aurora and the presence of this critical vulnerability highlight the importance of maintaining and updating software. Organizations relying on unsupported software face significant risks, including data breaches and potential RCE attacks. This underscores the need for proactive cybersecurity measures and the adoption of supported, regularly updated software solutions.
6. Technical Details for Security Professionals
- Vulnerability Type: Exposure of Sensitive Information to an Unauthorized Actor.
- Exploitation Mechanism: The vulnerability allows unauthenticated users to access internal data, which can be used in a padding oracle attack to construct valid authentication cookies.
- Potential Combination with Other Vulnerabilities: The constructed authentication cookies can be used in conjunction with other vulnerabilities to achieve RCE.
- Mitigation Steps:
- Access Control: Implement robust access control mechanisms to restrict access to trusted users.
- Network Segmentation: Segment the network to isolate the affected instance from other critical systems.
- Monitoring: Use intrusion detection systems (IDS) and security information and event management (SIEM) systems to monitor for suspicious activities.
- Auditing: Regularly audit the system for vulnerabilities and ensure compliance with security best practices.
Conclusion
CVE-2024-27905 represents a significant risk to organizations using Apache Aurora. Given the retirement of the project, the best course of action is to migrate to a supported alternative and implement stringent access controls and monitoring to mitigate the risk. The high CVSS score underscores the urgency of addressing this vulnerability to prevent potential data breaches and RCE attacks.
For further details, refer to the provided references:
This analysis should serve as a guide for cybersecurity professionals to understand the implications of CVE-2024-27905 and take appropriate actions to safeguard their systems.