HIGH 7.5

GHSA-fhg7-m89q-25r3

ReDoS Vulnerability in ua-parser-js version

Details

### Description: A regular expression denial of service (ReDoS) vulnerability has been discovered in `ua-parser-js`.

### Impact: This vulnerability bypass the library's `MAX_LENGTH` input limit prevention. By crafting a very-very-long user-agent string with specific pattern, an attacker can turn the script to get stuck processing for a very long time which results in a denial of service (DoS) condition.

### Affected Versions: From version `0.7.30` to before versions `0.7.33` / `1.0.33`.

### Patches: A patch has been released to remove the vulnerable regular expression, update to version `0.7.33` / `1.0.33` or later.

### References: [Regular expression Denial of Service - ReDoS](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS)

### Credits: Thanks to @Snyk who first reported the issue.

Are you affected?

Enter the version of the package you're using.

Affected packages

npm / ua-parser-js

Introduced in: 0.7.30 Fixed in: 0.7.33

Fix npm install ua-parser-js@0.7.33

npm / ua-parser-js

Introduced in: 0.8.0 Fixed in: 1.0.33

Fix npm install ua-parser-js@1.0.33