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HIGH · 7.5

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 t...

Vulnerability 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 Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Useragent ProjectUseragent<= 2.1.12

Related Weaknesses (CWE)

CWE-400

References

FAQ

What is CVE-2017-16030?

CVE-2017-16030 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 t...

How severe is CVE-2017-16030?

CVE-2017-16030 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-16030?

Check the references section above for vendor advisories and patch information. Affected products include: Useragent Project Useragent.