CVE-2024-24725 is a high-severity vulnerability affecting Gibbon, a learning management system. This vulnerability allows remote authenticated users to conduct PHP deserialization attacks via the columnOrder parameter in a POST request to the modules/System%20Admin/import_run.php&type=externalAssessment&step=4 URI. The CVSS score of 8.8 indicates a significant risk, categorizing it as high severity.
The risk to organizations includes potential unauthorized access to sensitive data and the ability to manipulate application functionality. Attackers may leverage this vulnerability to execute arbitrary code, leading to severe consequences for affected systems. Organizations should prioritize patching immediately to protect against these threats.
Currently, there is a known exploit available, which raises the urgency for defenders to act. The vulnerability was published on March 23, 2024, and organizations must ensure they are not using any affected versions to mitigate risks effectively.
Immediate patching of Gibbon installations to versions beyond 26.0.00 is essential to prevent exploitation of this vulnerability. Organizations should regularly assess their systems and prioritize remediation efforts for vulnerabilities of such critical nature.
Vulnerability Details
The vulnerability is classified as a PHP deserialization vulnerability, specifically related to improper handling of user input in Gibbon. The CVSS score of 8.8 reflects the potential impact on confidentiality, integrity, and availability due to successful exploitation. The affected product is Gibbon, with the specific version range being all versions up to and including 26.0.00. The CWE classification for this vulnerability is CWE-502.
Technical Analysis
The root cause of this vulnerability lies in the improper validation of user inputs, specifically in the handling of the columnOrder parameter within the application. The attack vector is network-based, allowing remote authenticated users to exploit this flaw without the need for physical access to the system.
The attack complexity is low, as it does not require any special conditions beyond authentication. Privileges required for exploitation are low, allowing users with minimal access to exploit the vulnerability. There is no user interaction required, making this vulnerability particularly dangerous.
Successful exploitation could lead to high impacts on confidentiality, integrity, and availability, as attackers may gain unauthorized access to sensitive data, modify system behavior, and disrupt service operations.
Risk & Impact Analysis
The deployment of vulnerable versions of Gibbon poses significant risks to organizations. Attackers exploiting this vulnerability can have a broad blast radius, potentially affecting numerous users and sensitive data within the system. Organizations should assess their exposure and prioritize patching efforts based on the high CVSS score of 8.8.
Given the high exploitability score, organizations using affected versions should treat this vulnerability as a high priority for immediate remediation. The potential for unauthorized access and data manipulation necessitates swift action to safeguard organizational assets.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of Gibbon prior to version 26.0.00 are affected by this vulnerability. Organizations must ensure they upgrade to a patched version to eliminate the risk associated with this vulnerability.
Mitigation & Remediation
Organizations should apply patches for Gibbon immediately. Upgrading to the latest version, beyond 26.0.00, will mitigate this vulnerability. In situations where a patch is not available, implementing additional network controls and monitoring can help reduce the risk of exploitation.
Organizations should also consider implementing configuration hardening measures to further secure the application. Regular audits and security assessments can help identify vulnerabilities and validate the effectiveness of security measures.
For ongoing testing and validation of security controls, organizations can consider engaging in penetration testing to ensure that the application remains secure against potential threats.
Detection Guidance
Organizations should monitor logs for unusual activity related to the affected application, especially around authentication and parameter handling. Behavioral anomalies, such as unexpected changes to user permissions or data, should also be investigated.
Network signatures that indicate exploitation attempts, such as specific payloads related to deserialization, should be in place. Regular system change logs should be reviewed for unauthorized modifications that may indicate a successful attack.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2024-24725 highlights the ongoing risks associated with PHP deserialization vulnerabilities. As organizations increasingly rely on web applications, the potential for such vulnerabilities to be exploited grows.
This vulnerability represents a pattern where improper input validation leads to severe impacts. Security teams should take proactive measures to strengthen input validation processes and ensure that applications are resilient against such attacks.
Organizations are encouraged to adopt a comprehensive security strategy that includes regular vulnerability assessments and vulnerability management programs to effectively identify and address potential weaknesses in their systems.
Additionally, organizations should remain vigilant about emerging threats and the evolving landscape of web application vulnerabilities. A strategic defensive takeaway is to continuously monitor and update security protocols to adapt to new challenges.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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