CVE-2017-12165

low-risk
Published 2018-07-27

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.

Do I need to act?

~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
2
CVSS 2.6/10 Low
NETWORK / HIGH complexity

Affected Products (4)

Affected Vendors

Redhat

References (20)

Vendor Advisory https://access.redhat.com/errata/RHSA-2017:3454
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-2017:3458
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:0002
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:0003
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:0004
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:0005
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:1322
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165
Vendor Advisory https://access.redhat.com/errata/RHSA-2017:3454
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-2017:3458
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:0002
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:0003
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:0004
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:0005
Vendor Advisory https://access.redhat.com/errata/RHSA-2018:1322
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165
23
/ 100
low-risk
Severity 10/34 · Low
Exploitability 3/34 · Minimal
Exposure 10/34 · Low