Escalated Privileges Vulnerability in Monit Package
Summary
CVE-2022-26563: An issue was discovered in Tildeslash Monit before 5.31.0, allows remote attackers to gain escilated privlidges due to improper PAM-authorization. Affects monit versions < 6ecaab1d375f33165fe98d06d92f36c949c0ea11. No fix is published. How to fix ↓
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Background
Monit is an open-source utility for managing and monitoring processes, files, directories, and filesystems on a Unix system. It provides a simple way to ensure that services are running and can automatically restart them if they fail. The package is widely used for its reliability and ease of use. However, prior to version 5.31.0, Monit is vulnerable to a security issue that allows remote attackers to gain escalated privileges due to improper PAM (Pluggable Authentication Module) authorization.
Vulnerability Detail
The vulnerability, identified as CVE-2022-26563, stems from improper handling of PAM authorization in Monit versions before 5.31.0. This flaw can be exploited by remote attackers to gain elevated privileges, potentially allowing them to execute arbitrary commands or access sensitive information. The CVSS score for this vulnerability is 8.8, indicating a high severity level. Attackers can leverage this vulnerability to compromise the integrity and confidentiality of the system, making it critical for users to address this issue promptly.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If an immediate upgrade is not feasible, consider implementing strict firewall rules to limit access to the Monit service, ensuring that only trusted IP addresses can connect. Additionally, review PAM configurations to mitigate potential exploitation until the upgrade can be performed.
Conclusion
The CVE-2022-26563 vulnerability in the Monit package poses a significant risk due to improper PAM authorization, allowing remote attackers to gain escalated privileges. Users are strongly advised to upgrade to version 5.32.0 or later to mitigate this risk. In the meantime, implementing workarounds can help reduce exposure.
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FAQ
CVE-2022-26563 is a vulnerability in the Monit package that allows remote attackers to gain escalated privileges due to improper PAM authorization.
You can check your version of Monit by running 'monit -V' in the terminal. If it is below 5.32.0, it is vulnerable.
The vulnerability can allow attackers to execute arbitrary commands and access sensitive information, compromising system integrity and confidentiality.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities using just a manifest file like package-lock.json. You can check if your application is affected using the Vulert playground.
Implement strict firewall rules to limit access to the Monit service and review PAM configurations to mitigate potential exploitation until an upgrade can be performed.
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