#VU18600 Resource exhaustion in useragent

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Main Vulnerability Database Vulnerabilities #VU18600

#VU18600 Resource exhaustion in useragent

Published: May 24, 2019


Vulnerability identifier: #VU18600
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
useragent
Software vendor:
Node.js Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to regular expression when passing long user-agent strings. A remote attacker can trigger resource exhaustion and perform a regular expression denial of service (ReDoS) attack.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links