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.
Published: 2018-06-04
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-0302 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.
Github GHSA Github GHSA GHSA-pjmx-9xr3-82qr ReDoS via long UserAgent header in useragent
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Useragent Project Useragent
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2024-09-17T00:41:28.696Z

Reserved: 2017-10-29T00:00:00.000Z

Link: CVE-2017-16030

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-04T19:29:01.677

Modified: 2024-11-21T03:15:41.650

Link: CVE-2017-16030

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-04-15T00:00:00Z

Links: CVE-2017-16030 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses