CVE-2017-16030

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.

Affected

HackerOne · useragent node module

CVSS v3.0 NVD

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

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

1.14% chance of exploitation in the next 30 days, 66th percentile

Published

2018-06-04

Updated

2024-09-17

Proof-of-concept exploits (1)

• ossf-cve-benchmark/CVE-2017-160300★ · 2020-12-08

Security advisories

• https://nodesecurity.io/advisories/312
• advisories/GHSA-pjmx-9xr3-82qr

References

• CVE Record
• NVD entry