CVE-2022-33140 : What You Need to Know
Learn about CVE-2022-33140 affecting Apache NiFi and NiFi Registry, allowing OS command injections. Understand the impact, technical details, and mitigation steps.
Apache NiFi and Apache NiFi Registry are affected by an OS command injection vulnerability, allowing malicious users to execute commands on Linux and macOS platforms. The vulnerability exists in the ShellUserGroupProvider component.
Understanding CVE-2022-33140
This CVE involves the improper neutralization of command elements in the Shell User Group Provider, impacting Apache NiFi versions from 1.10.0 to 1.16.2 and Apache NiFi Registry versions from 0.6.0 to 1.16.2.
What is CVE-2022-33140?
The ShellUserGroupProvider in affected versions of Apache NiFi and Apache NiFi Registry fails to sanitize arguments for group resolution commands, enabling OS command injection attacks. An attacker with elevated privileges could exploit this to run arbitrary commands.
The Impact of CVE-2022-33140
The vulnerability allows unauthorized users to execute arbitrary commands on the host system, posing a significant security risk. Successful exploitation could lead to data breaches, system compromise, and unauthorized data access.
Technical Details of CVE-2022-33140
The vulnerability is classified as CWE-78, indicating the improper neutralization of special elements used in an OS command (OS Command Injection). It is rated as high severity.
Vulnerability Description
The vulnerability arises due to the ShellUserGroupProvider not properly sanitizing user-provided arguments for group resolution commands, facilitating the execution of arbitrary OS commands.
Affected Systems and Versions
Apache NiFi versions up to 1.16.2 and Apache NiFi Registry versions up to 1.16.2 are susceptible to this vulnerability.
Exploitation Mechanism
Successful exploitation of this vulnerability requires an authenticated user with elevated privileges and authorization to modify access policies or read user groups.
Mitigation and Prevention
To mitigate the CVE-2022-33140 vulnerability, users are advised to disable the ShellUserGroupProvider component in their configuration settings.
Immediate Steps to Take
Disable ShellUserGroupProvider to prevent command injection attacks.
Long-Term Security Practices
Regularly update Apache NiFi and Apache NiFi Registry to the latest patched versions and follow security best practices.
Patching and Updates
Stay informed about security advisories from Apache Software Foundation and apply patches promptly to address known vulnerabilities.