CVE-2017-16030 Information

Description

Useragent is used to parse useragent headers. It uses several regular expressions to accomplish this. An attacker could edit their own headers creating an arbitrarily long useragent string causing the event loop and server to block. This affects Useragent 2.1.12 and earlier.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://nodesecurity.io/advisories/312

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5