CVE-2023-25602 : Vulnerability Insights and Analysis

This CVE record is related to a stack-based buffer overflow vulnerability in Fortinet FortiWeb versions, allowing attackers to execute unauthorized code or commands through specially crafted command arguments.

Understanding CVE-2023-25602

This section will provide an overview of the CVE-2023-25602 vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-25602?

CVE-2023-25602 is a CVE record that identifies a stack-based buffer overflow vulnerability in Fortinet FortiWeb versions. Attackers can exploit this vulnerability to execute unauthorized code or commands by leveraging specially crafted command arguments.

The Impact of CVE-2023-25602

The impact of CVE-2023-25602 is categorized as high severity. The vulnerability can lead to unauthorized code execution, potentially compromising the confidentiality, integrity, and availability of the affected systems. It is crucial to address this issue promptly to prevent exploitation by malicious actors.

Technical Details of CVE-2023-25602

This section will delve into the technical aspects of CVE-2023-25602, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability involves a stack-based buffer overflow in various versions of Fortinet FortiWeb products. Specifically, versions 6.4.0 and earlier, 6.3.0 and earlier, 6.2.0 and earlier, 6.1.0 and earlier, 6.0.0 and earlier, 5.9.0 and earlier, 5.8.5 and earlier, 5.8.0 and earlier, 5.7.0 and earlier, and 5.6.0 and earlier are affected. Attackers can exploit this flaw to execute unauthorized code or commands via specially crafted command arguments.

Affected Systems and Versions

The vulnerability impacts multiple versions of Fortinet FortiWeb products, ranging from 6.4.0 to 5.6.0. Users of these versions are at risk of exploitation if the necessary patches are not applied.

Exploitation Mechanism

By sending specially crafted command arguments to the vulnerable FortiWeb versions, attackers can trigger a stack-based buffer overflow, leading to the execution of unauthorized code or commands. This exploitation can result in a compromise of system confidentiality, integrity, and availability.

Mitigation and Prevention

In response to CVE-2023-25602, Fortinet has provided solutions to mitigate the vulnerability and prevent potential attacks. It is essential for organizations using the affected versions to take immediate action to secure their systems.

Immediate Steps to Take

Upgrade to FortiWeb version 7.0.0 or above
Upgrade to FortiWeb version 6.3.18 or above
Upgrade to FortiWeb version 6.2.7 or above
Upgrade to FortiWeb version 6.1.3 or above
Upgrade to FortiWeb version 6.0.8 or above
Upgrade to FortiWeb version 5.9.2 or above

Long-Term Security Practices

In addition to applying the recommended upgrades, organizations should maintain vigilant security practices, including regular system patching, network monitoring, and implementing strong access controls to prevent unauthorized access.

Patching and Updates

Regularly monitor Fortinet's security advisories and apply patches and updates promptly to address any new vulnerabilities or security issues. Keeping systems up to date with the latest software versions is crucial in maintaining a secure IT environment.