CVE-2017-16030
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductUseragent
PublishedJun 4, 2018
First seenJun 4, 2018
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- useragent2.1.13 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| useragent_project useragent | v ≤ 2.1.12 | — |
| useragentnpm | v < 2.1.13 | 2.1.13 |
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