CVE-2022-37425 : What You Need to Know
Learn about CVE-2022-37425, a critical vulnerability in OpenNebula core on Linux allowing Remote Code Inclusion, with impacts, technical details, and mitigation steps included.
A critical vulnerability in OpenNebula core on Linux can lead to Remote Code Inclusion, allowing attackers to execute malicious code. Learn about the impact, technical details, and mitigation steps for CVE-2022-37425.
Understanding CVE-2022-37425
This vulnerability, identified as CVE-2022-37425, is related to the FILES directive inside a VM template in OpenNebula, enabling Remote Code Execution upon template instantiation.
What is CVE-2022-37425?
The CVE-2022-37425 vulnerability involves improper neutralization of special elements in a command, specifically Command Injection in OpenNebula core on Linux, which permits Remote Code Inclusion.
The Impact of CVE-2022-37425
The impact of CVE-2022-37425 is classified as CAPEC-253 Remote Code Inclusion, posing a critical risk due to the potential for attackers to execute arbitrary code remotely.
Technical Details of CVE-2022-37425
Key technical details concerning the vulnerability, affected systems, and exploitation mechanism.
Vulnerability Description
Regular users can exploit the FILES directive within the CONTEXT section of a VM template, allowing for Remote Code Execution via Command Injection in OpenNebula on Linux.
Affected Systems and Versions
All instances of OpenNebula core on Linux are susceptible to this vulnerability with unrestricted access to the FILES directive in VM templates on instantiation.
Exploitation Mechanism
Attackers can leverage social engineering tactics to manipulate users in the oneadmin group to initiate a VM from a malicious template, enabling Remote Code Inclusion.
Mitigation and Prevention
Effective steps to mitigate the CVE-2022-37425 vulnerability and prevent potential security breaches.
Immediate Steps to Take
Restrict regular users from utilizing the FILES directive in VM templates and establish a context files datastore for file uploads and references using the FILES_DS directive.
Long-Term Security Practices
Upgrade to OpenNebula 6.4.2 EE LTS and configure the CONTEXT_RESTRICTED_DIRS and CONTEXT_SAFE_DIRS properties in oned.conf to enhance security measures.
Patching and Updates
Ensure timely installation of security patches and updates from OpenNebula to address known vulnerabilities and enhance system security.