CVE-2022-25893 : Security Advisory and Response

Understanding CVE-2022-25893

The package

vm2

before version 3.9.10 is vulnerable to Arbitrary Code Execution due to the usage of prototype lookup for the

WeakMap.prototype.set

method, allowing an attacker to access a host object and compromise the sandbox.

What is CVE-2022-25893?

The vulnerability in CVE-2022-25893, also known as Arbitrary Code Execution, affects the

vm2

package before version 3.9.10. It enables attackers to execute arbitrary code by manipulating the Prototype mechanism.

The Impact of CVE-2022-25893

With a CVSS v3.1 base score of 9.8 (Critical), this vulnerability has a high impact on confidentiality, integrity, and availability. Exploitation can lead to a full compromise of the target system.

Technical Details of CVE-2022-25893

The following details provide insights into the technical aspects of CVE-2022-25893.

Vulnerability Description

The vulnerability arises from improper use of prototype lookup in the

WeakMap.prototype.set

method of the

vm2

package, allowing malicious actors to execute arbitrary code.

Affected Systems and Versions

The vulnerability affects the

vm2

package versions prior to 3.9.10.

Exploitation Mechanism

Exploiting this vulnerability involves leveraging the Prototype lookup to execute arbitrary code, enabling unauthorized access to the system and compromising its security.

Mitigation and Prevention

To safeguard systems from the CVE-2022-25893 vulnerability, immediate steps and long-term security practices are crucial.

Immediate Steps to Take

Update the

vm2

package to version 3.9.10 or later to mitigate the vulnerability.
Monitor for any unusual activities on the system that could indicate exploitation.

Long-Term Security Practices

Regularly update packages and dependencies to ensure vulnerabilities are patched promptly.
Conduct security audits and assessments to identify and remediate any potential security gaps.

Patching and Updates

Stay informed about security patches and updates released by the package maintainers to address vulnerabilities like CVE-2022-25893.