CVE-2023-41679 : Exploit Details and Defense Strategies
Learn about CVE-2023-41679, an improper access control flaw in FortiManager enabling remote attackers to execute unauthorized code. Find mitigation steps and upgrade recommendations.
A detailed overview of CVE-2023-41679 focusing on the vulnerability in FortiManager management interface and its impacts.
Understanding CVE-2023-41679
This section delves into the vulnerability details, affected systems, and the recommended mitigation steps.
What is CVE-2023-41679?
The vulnerability is an improper access control issue in FortiManager management interface versions 7.2.0 through 7.2.2, 7.0.0 through 7.0.7, 6.4.0 through 6.4.11, and all versions of 6.2 and 6.0. It may allow a remote authenticated attacker to add or delete CLI scripts on other ADOMs.
The Impact of CVE-2023-41679
The vulnerability, assigned CWE-284, could enable a remote attacker with 'device management' permission on their profile to execute unauthorized code or commands on affected systems. The CVSS v3.1 base score is 7.7, categorizing it as a high-severity flaw with significant confidentiality, integrity, and availability impacts.
Technical Details of CVE-2023-41679
This section provides insights into the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from improper access control in the FortiManager management interface versions specified, allowing attackers to manipulate CLI scripts across ADOMs.
Affected Systems and Versions
- FortiManager 7.2.0 to 7.2.2
- FortiManager 7.0.0 to 7.0.7
- FortiManager 6.4.0 to 6.4.11
- FortiManager 6.2 (all versions)
- FortiManager 6.0 (all versions)
Exploitation Mechanism
A remote authenticated attacker with specific permissions and ADOM affiliation can exploit the vulnerability to add or delete CLI scripts on ADOMs.
Mitigation and Prevention
Explore the immediate steps and long-term security practices to safeguard systems against CVE-2023-41679.
Immediate Steps to Take
To mitigate the vulnerability, users are advised to upgrade to the following FortiManager versions or above:
- FortiManager 7.4.0
- FortiManager 7.2.3
- FortiManager 7.0.8
- FortiManager 6.4.12
Long-Term Security Practices
Besides patching, maintaining strict access controls, regularly auditing user permissions, and monitoring ADOM activities are crucial for long-term security.
Patching and Updates
Regularly applying security patches and updates provided by Fortinet is essential to address vulnerabilities and enhance system security.