A use of externally-controlled format string in Fortinet FortiProxy versions 7.2.0 through 7.2.4, 7.0.0 through 7.0.10, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7, FortiPAM versions 1.0.0 through 1.0.3, and FortiOS versions 7.2.0, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.16 allows attackers to execute unauthorized code or commands via specially crafted commands.
This vulnerability is classified as medium severity with a CVSS score of 6.7. The risk to organizations includes potential unauthorized access and control over affected systems, which could lead to broader security implications if left unaddressed.
Organizations should prioritize patching immediately. The vulnerability affects multiple versions of Fortinet products, making it crucial for organizations to review their deployments and apply the necessary updates.
No public exploit has been confirmed, and it is not currently listed in the KEV catalog. However, given the nature of the vulnerability, it is advisable to monitor for any potential exploits that may arise.
Organizations must remain vigilant and proactive in their security posture to mitigate risks associated with such vulnerabilities.
Vulnerability Details
The vulnerability allows attackers to exploit a use of externally-controlled format strings. The primary components affected include Fortinet FortiProxy, FortiPAM, and FortiOS across various versions. The CWE classification for this vulnerability is CWE-134.
The CVSS score of 6.7 indicates a medium severity level, with high impacts on confidentiality, integrity, and availability. The attack vector is local, requiring high privileges, but does not necessitate user interaction.
Technical Analysis
The root cause of this vulnerability lies in the handling of format strings, which can be influenced by external inputs, allowing for unauthorized command execution. The attack complexity is low, with attackers needing high privileges to exploit this vulnerability.
The attack vector is local, meaning the attacker must have some level of access to the system. No user interaction is required for the exploit to succeed. The impacts on confidentiality, integrity, and availability are rated as high, indicating a significant risk.
Risk & Impact Analysis
This vulnerability poses a significant risk to organizations using the affected Fortinet products. Given the high impact on confidentiality, integrity, and availability, the potential for unauthorized access and command execution can lead to severe security incidents.
Organizations should assess the blast radius of this vulnerability, especially in environments where Fortinet products are critical to operations. The urgency of addressing this vulnerability should be high, given the potential for exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The following versions are affected by this vulnerability: FortiProxy 1.0.0 through 1.0.7, 1.1.0 through 1.1.6, 1.2.0 through 1.2.13, 2.0.0 through 2.0.14, 7.0.0 through 7.0.10, 7.2.0 through 7.2.4; FortiPAM 1.0.0 through 1.0.3; and FortiOS 6.0.0 through 6.0.16, 6.2.0 through 6.2.15, 6.4.0 through 6.4.14, 7.0.0 through 7.0.12, and 7.2.0.
Mitigation & Remediation
Organizations should apply available patches for the affected Fortinet products as soon as possible. For those unable to patch immediately, consider implementing workarounds to limit exposure.
For more information on penetration testing services that can help identify and remediate vulnerabilities, organizations can refer to penetration testing solutions.
Detection Guidance
Organizations should monitor logs for unusual command execution patterns and any unauthorized access attempts. Behavioral anomalies in the system should also be tracked as potential indicators of exploitation.
AppSecure Threat Intelligence Insight
This vulnerability highlights the importance of secure coding practices, particularly in handling input from external sources. Organizations should consider implementing robust input validation to mitigate risks associated with format string vulnerabilities.
To learn more about security best practices, organizations can review the following resources: penetration testing methodology, vulnerability management program design, and cloud penetration testing guidelines.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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