cve/2021/CVE-2021-27292.md

CVE-2021-27292

Description

ua-parser-js >= 0.7.14, fixed in 0.7.24, uses a regular expression which is vulnerable to denial of service. If an attacker sends a malicious User-Agent header, ua-parser-js will get stuck processing it for an extended period of time.

POC

Reference

No PoCs from references.

Github

• https://github.com/doyensec/regexploit
• https://github.com/engn33r/awesome-redos-security
• https://github.com/retr0-13/regexploit