Learn about the CVE-2022-42964 vulnerability in pymatgen package leading to denial of service. Explore impact, technical details, and mitigation steps for enhanced security.
A deep dive into the CVE-2022-42964 vulnerability in the pymatgen package, its impact, technical details, and mitigation steps.
Understanding CVE-2022-42964
This section provides insights into the CVE-2022-42964 vulnerability affecting the pymatgen package.
What is CVE-2022-42964?
The CVE-2022-42964 vulnerability involves an exponential ReDoS (Regular Expression Denial of Service) issue in the pymatgen PyPI package. Attackers can exploit this by providing arbitrary input to the GaussianInput.from_string method.
The Impact of CVE-2022-42964
The vulnerability poses a medium severity risk with a CVSS base score of 5.9. It can result in a denial of service (DoS) condition due to the inefficiency in handling regular expressions, impacting the availability of the affected systems.
Technical Details of CVE-2022-42964
Explore the specific technical aspects of the CVE-2022-42964 vulnerability.
Vulnerability Description
The vulnerability arises from the inefficient handling of regular expressions in the pymatgen package, leading to a potential denial of service scenario.
Affected Systems and Versions
The pymatgen package version 0 is impacted by this vulnerability, with all versions falling under the affected range.
Exploitation Mechanism
By supplying crafted input to the GaussianInput.from_string method, threat actors can trigger an exponential ReDoS scenario, causing a denial of service condition.
Mitigation and Prevention
Discover the steps to mitigate the CVE-2022-42964 vulnerability and enhance system security.
Immediate Steps to Take
Users are advised to update the pymatgen package to a fixed version provided by the vendor immediately.
Long-Term Security Practices
Implement secure coding practices, input validation mechanisms, and regular security audits to prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for security updates from the pymatgen package maintainers and apply patches promptly to safeguard systems from known vulnerabilities.