CVE-2023-34109
6.5 · MEDIUMOverview
CVE-2023-34109 is a medium-severity vulnerability affecting zxcvbn-ts_project zxcvbn-ts. It was published on June 7, 2023 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
zxcvbn-ts is an open source password strength estimator written in typescript. This vulnerability affects users running on the nodeJS platform which are using the second argument of the zxcvbn function. It can result in an unbounded resource consumption as the user inputs array is extended with every function call. Browsers are impacted, too but a single user need to do a lot of input changes so that it affects the browser, while the node process gets the inputs of every user of a platform and can be killed that way. This problem has been patched in version 3.0.2. Users are advised to upgrade. Users unable to upgrade should stop using the second argument of the zxcvbn function and use the zxcvbnOptions.setOptions function.
Remediation
Check the references section for vendor advisories and patches from zxcvbn-ts_project. Update zxcvbn-ts to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| zxcvbn-ts_project | zxcvbn-ts | >= 0, < 3.0.2 | Affected |
References
Frequently Asked Questions
What is CVE-2023-34109?
CVE-2023-34109 is a medium-severity vulnerability affecting zxcvbn-ts_project zxcvbn-ts. It was published on June 7, 2023 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2023-34109?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-34109?
Check the references section for vendor advisories and patches from zxcvbn-ts_project. Update zxcvbn-ts to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-34109?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-34109 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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