CVE-2024-29027

Comprehensive Technical Analysis of CVE-2024-29027

1. Vulnerability Assessment and Severity Evaluation

CVE ID: CVE-2024-29027 CVSS Score: 9

Severity Evaluation: The CVSS score of 9 indicates a critical vulnerability. This high score is due to the potential for remote code execution (RCE), code injection, and internal store manipulation, which can lead to significant impacts on confidentiality, integrity, and availability.

Vulnerability Assessment: The vulnerability arises from improper handling of invalid Cloud Function names and Cloud Job names in Parse Server versions prior to 6.5.5 and 7.0.0-alpha.29. This can cause the server to crash and potentially allow for code injection or RCE. The lack of string sanitation for these names is the root cause of the issue.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

1. Invalid Cloud Function Names: An attacker can send a request with an invalid Cloud Function name, causing the server to crash.
2. Invalid Cloud Job Names: Similarly, an invalid Cloud Job name can be used to crash the server.
3. Code Injection: By crafting specific invalid names, an attacker might inject malicious code that gets executed on the server.
4. Remote Code Execution (RCE): If the injected code is executed, the attacker can gain control over the server, leading to further exploitation.

Exploitation Methods:

1. Direct Exploitation: An attacker can directly send malformed requests to the Parse Server.
2. Indirect Exploitation: An attacker might exploit this vulnerability through a compromised client application that interacts with the Parse Server.

3. Affected Systems and Software Versions

Affected Software:

• Parse Server versions prior to 6.5.5
• Parse Server versions prior to 7.0.0-alpha.29

Affected Systems: Any system running the affected versions of Parse Server is vulnerable. This includes:

• Cloud-based deployments
• On-premises deployments
• Containerized environments

4. Recommended Mitigation Strategies

Immediate Mitigation:

1. Upgrade Parse Server: Upgrade to Parse Server version 6.5.5 or 7.0.0-alpha.29, which includes the patch for this vulnerability.
2. Sanitize Inputs: Ensure that all inputs, especially Cloud Function names and Cloud Job names, are sanitized before they reach the Parse Server.

Long-Term Mitigation:

1. Regular Patching: Implement a regular patching and update schedule for all software components.
2. Input Validation: Enforce strict input validation and sanitation practices across all applications.
3. Monitoring and Logging: Enhance monitoring and logging to detect and respond to suspicious activities.

5. Impact on Cybersecurity Landscape

Immediate Impact:

• Organizations using Parse Server are at risk of server crashes, code injection, and RCE, which can lead to data breaches, service disruptions, and unauthorized access.

Long-Term Impact:

• This vulnerability highlights the importance of input validation and sanitation in preventing code injection and RCE attacks.
• It underscores the need for timely patching and regular security audits to identify and mitigate such vulnerabilities.

6. Technical Details for Security Professionals

Vulnerability Details:

• The vulnerability is due to the lack of string sanitation for Cloud Function names and Cloud Job names.
• The patch in versions 6.5.5 and 7.0.0-alpha.29 introduces string sanitation to mitigate this issue.

References:

• GitHub Commit 5ae6d6a36d75c4511029f0ba5673ae4b2999179b
• GitHub Commit 9f6e3429d3b326cf4e2994733c618d08032fac6e
• Parse Server Release 6.5.5
• Parse Server Release 7.0.0-alpha.29
• GHSA-6hh7-46r2-vf29

Conclusion: CVE-2024-29027 is a critical vulnerability that requires immediate attention. Organizations should prioritize upgrading to the patched versions of Parse Server and implement robust input validation and sanitation practices to mitigate the risk of similar vulnerabilities in the future.