CVE-2017-12165

Description

It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.

Category

2.6
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.14% Top 25%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat undertow
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:1322 vendor advisory
https://access.redhat.com/errata/RHSA-2018:0002 vendor advisory
https://access.redhat.com/errata/RHSA-2017:3458 vendor advisory
https://access.redhat.com/errata/RHSA-2018:0004 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165 issue tracking vendor advisory
https://access.redhat.com/errata/RHSA-2017:3455 vendor advisory
https://access.redhat.com/errata/RHSA-2017:3456 vendor advisory
https://access.redhat.com/errata/RHSA-2018:0003 vendor advisory
https://access.redhat.com/errata/RHSA-2018:0005 vendor advisory
https://access.redhat.com/errata/RHSA-2017:3454 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-12165?
CVE-2017-12165 has been scored as a low severity vulnerability.
How to fix CVE-2017-12165?
To fix CVE-2017-12165, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12165 being actively exploited in the wild?
It is possible that CVE-2017-12165 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12165?
CVE-2017-12165 affects Red Hat undertow.
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