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CVE-2017-12165 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CNA: [email protected]CVSS-B:2.6 LOWVector:CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2017:3454	CVE	Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3455	CVE	Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3456	CVE	Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3458	CVE	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0002	CVE	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0003	CVE	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0004	CVE	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0005	CVE	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:1322	CVE	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165	CVE	Issue TrackingVendor Advisory
https://access.redhat.com/errata/RHSA-2017:3454	[email protected]	Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3455	[email protected]	Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3456	[email protected]	Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3458	[email protected]	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0002	[email protected]	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0003	[email protected]	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0004	[email protected]	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0005	[email protected]	Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:1322	[email protected]	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165	[email protected]	Issue TrackingVendor Advisory

see all 20 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-444	Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')	[email protected]
CWE-444	Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')	[email protected]

Affected Products

Product	Versions
redhat undertow	>= 1.0.0, < 1.3.31 >= 1.4.0, < 1.4.17 2.0.0 alpha_1
CPE cpe:2.3:a:redhat:undertow:::::::: cpe:2.3:a:redhat:undertow:2.0.0:alpha_1:::::: Remediation No remediation found in references.
redhat jboss enterprise application platform	7.0.0 7.1.0
CPE cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:::::::* cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1.0:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 9, 2019	CVE Modified	[email protected]
Sep 24, 2018	Initial Analysis	[email protected]
Jul 29, 2018	CVE Modified	[email protected]