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Fencer Intel
medium 4.8

CVE-2017-12196 json

Incorrect Authorization in Undertow

published 2018-04-18 8 y ago modified 2026-06-17 4 mo ago also GHSA-cp7v-vmv7-6x2q , EUVD-2022-3602

cvss
4.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

undertow before versions 1.4.18.SP1, 2.0.2.Final, 1.4.24.Final was found vulnerable when using Digest authentication, the server does not ensure that the value of URI in the Authorization header matches the URI in HTTP request line. This allows the attacker to cause a MITM attack and access the desired content on the server.

Patch / fix

  • maven io.undertow:undertow-core 1.4.24.Final, 2.0.2.FInal
  • undertow Debian 14 1.4.25-1

debian advisories DEBIAN-CVE-2017-12196

  • rhvm-appliance RHEL 7 2:4.2-20180504.0.el7
  • eap7-jboss-ec2-eap jboss enterprise application platform 7 7.1.1-3.1.GA_redhat_3.ep7.el6
  • eap7-jboss-ec2-eap jboss enterprise application platform 7.1 7.1.1-3.1.GA_redhat_3.ep7.el7
  • eap7-jboss-ec2-eap-samples jboss enterprise application platform 7 7.1.1-3.1.GA_redhat_3.ep7.el6
  • eap7-jboss-ec2-eap-samples jboss enterprise application platform 7.1 7.1.1-3.1.GA_redhat_3.ep7.el7
  • eap7-wss4j jboss enterprise application platform 7.1 2.1.11-1.redhat_1.1.ep7.el7
  • eap7-wildfly jboss enterprise application platform 7.1 7.1.1-4.GA_redhat_2.1.ep7.el7
  • eap7-narayana jboss enterprise application platform 7.1 5.5.31-1.Final_redhat_1.1.ep7.el7

red hat advisories RHSA-2018:1525RHSA-2018:0481RHSA-2018:0480RHSA-2018:0479

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-12196 updated cvss 4.8

undertow: Client can use bogus uri in Digest authentication

  • Red Hat JBoss Fuse 6 camel
    affected: no fix planned “Will not fix”
  • Red Hat JBoss Fuse Integration Service 2 undertow undertow
    affected: no fix available
  • Red Hat Fuse 7.2
    fixed: vendor fix RHSA-2018:3768
  • Red Hat Fuse Intergration Services 2.0 based on Fuse 6.3 R7
    fixed: vendor fix RHSA-2018:2405
  • Red Hat JBoss EAP 7.1
    fixed: vendor fix RHSA-2018:0478
  • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6 Server eap7-wss4j 2.1.11-1.redhat_1.1.ep7.el6, eap7-wildfly 7.1.1-4.GA_redhat_2.1.ep7.el6, eap7-apache-cxf 3.1.13-1.redhat_1.1.ep7.el6, eap7-xml-security 2.0.9-1.redhat_1.1.ep7.el6, eap7-jackson-core 2.8.11-1.redhat_1.1.ep7.el6, eap7-undertow 1.4.18-4.SP2_redhat_1.1.ep7.el6, +126 more
    fixed: vendor fix RHSA-2018:0479
  • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7 Server eap7-wss4j 2.1.11-1.redhat_1.1.ep7.el7, eap7-wildfly 7.1.1-4.GA_redhat_2.1.ep7.el7, eap7-apache-cxf 3.1.13-1.redhat_1.1.ep7.el7, eap7-xml-security 2.0.9-1.redhat_1.1.ep7.el7, eap7-jackson-core 2.8.11-1.redhat_1.1.ep7.el7, eap7-undertow 1.4.18-4.SP2_redhat_1.1.ep7.el7, +126 more
    fixed: vendor fix RHSA-2018:0481
  • Red Hat JBoss Enterprise Application Platform Continuous Delivery
    fixed: vendor fix RHSA-2020:2562
show 2 more
  • Red Hat Virtualization 4 Hypervisor for RHEL 7 rhvm-appliance 4.2-20180504.0.el7 Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts rhvm-appliance 4.2-20180504.0.el7
    fixed: vendor fix RHSA-2018:1525
  • Red Hat Single Sign-On 7 undertow undertow
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.01% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 4.8 CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
NVD 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
GitHub 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven io.undertow:undertow-core
>=2.0.0.Alpha1, <2.0.2.FInal
<1.4.24.Final
2.0.2.FInal
1.4.24.Final

Affected products

  • unspecified undertow

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.