CVE-2017-16021
6.5 · MEDIUMOverview
CVE-2017-16021 is a medium-severity vulnerability affecting garycourt uri-js. It was published on June 4, 2018 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. Some level of privileges is required for exploitation.
Technical Description
uri-js is a module that tries to fully implement RFC 3986. One of these features is validating whether or not a supplied URL is valid or not. To do this, uri-js uses a regular expression, This regular expression is vulnerable to redos. This causes the program to hang and the CPU to idle at 100% usage while uri-js is trying to validate if the supplied URL is valid or not. To check if you're vulnerable, look for a call to `require("uri-js").parse()` where a user is able to send their own input. This affects uri-js 2.1.1 and earlier.
Remediation
Check the references section for vendor advisories and patches from garycourt. Update uri-js 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 |
|---|---|---|---|
| garycourt | uri-js | 0 | Affected |
Frequently Asked Questions
What is CVE-2017-16021?
CVE-2017-16021 is a medium-severity vulnerability affecting garycourt uri-js. It was published on June 4, 2018 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2017-16021?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2017-16021?
Check the references section for vendor advisories and patches from garycourt. Update uri-js 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-2017-16021?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-16021 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
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