CVE-2022-37425

The FILES directive inside a VM template allows execution of uploaded files when the template is instantiated, resulting in a Remote Code Execution (RCE) attack.

Description

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in OpenNebula OpenNebula core on Linux allows Remote Code Inclusion.

Remediation

Solution:

  • Upgrade to OpenNebula 6.4.2 EE LTS and configure the CONTEXT_RESTRICTED_DIRS and CONTEXT_SAFE_DIRS properties in oned.conf

Workaround:

  • Do not allow regular users to use the FILES directive inside their VM templates, instead set up a context files datastore, and allow users to upload and reference their files from that datastore, using the FILES_DS directive.

Category

9.9
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 5.83% Top 10%
Vendor Advisory opennebula.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://opennebula.io/opennebula-6-4-2-ee-lts-maintenance-release-is-available/ release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-37425?
CVE-2022-37425 has been scored as a critical severity vulnerability.
How to fix CVE-2022-37425?
To fix CVE-2022-37425: Upgrade to OpenNebula 6.4.2 EE LTS and configure the CONTEXT_RESTRICTED_DIRS and CONTEXT_SAFE_DIRS properties in oned.conf
Is CVE-2022-37425 being actively exploited in the wild?
It is possible that CVE-2022-37425 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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