CVE-2022-27243 : Security Advisory and Response
Discover the impact of CVE-2022-27243, a vulnerability in MISP versions before 2.4.156 allowing Local File Inclusion via custom terms file setting. Learn about mitigation steps.
An issue was discovered in MISP before 2.4.156 where the app/View/Users/terms.ctp file allows Local File Inclusion through the custom terms file setting.
Understanding CVE-2022-27243
This CVE describes a vulnerability in MISP that can be exploited for Local File Inclusion.
What is CVE-2022-27243?
CVE-2022-27243 is a security flaw identified in MISP versions prior to 2.4.156, enabling attackers to perform Local File Inclusion attacks via the custom terms file setting in the app/View/Users/terms.ctp file.
The Impact of CVE-2022-27243
This vulnerability may allow threat actors to include arbitrary files from the local system, potentially leading to unauthorized access, data disclosure, and further exploitation of the affected system.
Technical Details of CVE-2022-27243
Below are the technical details of CVE-2022-27243:
Vulnerability Description
The vulnerability in MISP versions before 2.4.156 allows for Local File Inclusion via the custom terms file setting in the app/View/Users/terms.ctp file.
Affected Systems and Versions
All versions of MISP prior to 2.4.156 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this issue by manipulating the custom terms file setting within the app/View/Users/terms.ctp file to achieve Local File Inclusion.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-27243, consider the following steps:
Immediate Steps to Take
- Update MISP to version 2.4.156 or newer to eliminate the vulnerability.
- Restrict access to the app/View/Users/terms.ctp file to authorized personnel only.
Long-Term Security Practices
- Regularly monitor security advisories and updates from MISP to stay informed about potential vulnerabilities.
- Implement access controls and least privilege principles to limit exposure to sensitive system files.
Patching and Updates
Apply security patches and updates promptly to ensure that known vulnerabilities, such as the one described in CVE-2022-27243, are addressed effectively.