CVE-2018-1067
Improper Neutralization of CRLF Sequences in HTTP Headers in Undertow
6.1
MEDIUM
CVSS 3.1
EPSS 0.63%
Description
In Undertow before versions 7.1.2.CR1, 7.1.2.GA it was found that the fix for CVE-2016-4993 was incomplete and Undertow web server is vulnerable to the injection of arbitrary HTTP headers, and also response splitting, due to insufficient sanitization and validation of user input before the input is used as part of an HTTP header value.
How to fix CVE-2018-1067
To remediate CVE-2018-1067, upgrade the affected package to a fixed version below.
- —upgrade to 1.4.25-1 or later
- —upgrade to 7.1.2.GA or later
Is CVE-2018-1067 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.4.25-1
- from 0, < 7.1.2.GA
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |