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TI-2017-01916 Aliases CVE-2017-2670GHSA-3x7h-5hfr-hvjm

Infinite loop in [UNKNOWN] undertow

Priority LOW 39CWE-835Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 8 fixed, 5 without a fix

Attack profile from CVSS 3.0 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-835.

Summary

It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.

Why it matters now

EPSS 0.03616 89th percentileScored 2026-11-07
Fix Partial io.undertow:undertow-core (Maven): 1.3.28Red Hat: 10 advisoriesRed Hat: 8 fixed, 5 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
[UNKNOWN]undertow1.3.28.Final-redhat-4—No fix listedCNA
—io.undertow:undertow-core (Maven)before 1.3.281.3.28Patch availableGHSA-3x7h-5hfr-hvjm
  • undertow Vendor[UNKNOWN] Affected 1.3.28.Final-redhat-4 Fixed in — No fix listed CNA
  • io.undertow:undertow-core (Maven) Vendor— Affected before 1.3.28 Fixed in 1.3.28 Patch available GHSA-3x7h-5hfr-hvjm

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*before 1.3.28VulnerableRed Hat
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:a:redhat:jboss_enterprise_application_platform:6.0.0:*:*:*:*:*:*:*6.0.0VulnerableRed Hat
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:*7.0.0VulnerableRed Hat
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1.0:*:*:*:*:*:*:*7.1.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0Running onRed Hat
  • cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* Versions before 1.3.28 Vulnerable ·Red Hat
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:a:redhat:jboss_enterprise_application_platform:6.0.0:*:*:*:*:*:*:* Versions 6.0.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1.0:*:*:*:*:*:*:* Versions 7.1.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Red Hat

Remediation

  • Fix · GHSA-3x7h-5hfr-hvjm io.undertow:undertow-core (Maven) Fixed in 1.3.28 Advisory →

Red Hat 10 advisories

  • RHSA-2018:0501 Released 2018-03-13 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.2.1 security update
    • Red Hat Single Sign-On 7.2.1 zip
  • RHSA-2017:3458 Released 2017-12-13 · Red Hat rating Important
    eap7-jboss-ec2-eap security update
    • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6 Server eap7-jboss-ec2-eap-7.1.0-5.GA_redhat_5.ep7.el6, eap7-jboss-ec2-eap-samples-7.1.0-5.GA_redhat_5.ep7.el6
    • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7 Server eap7-jboss-ec2-eap-7.1.0-5.GA_redhat_5.ep7.el7, eap7-jboss-ec2-eap-samples-7.1.0-5.GA_redhat_5.ep7.el7
  • RHSA-2017:3455 Released 2017-12-13 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.1.0 security update
    • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7 Server eap7-activemq-artemis-1.5.5.008-1.redhat_1.1.ep7.el7, eap7-activemq-artemis-cli-1.5.5.008-1.redhat_1.1.ep7.el7, eap7-activemq-artemis-commons-1.5.5.008-1.redhat_1.1.ep7.el7 +47
Show 7 more Red Hat advisories
  • RHSA-2017:3454 Released 2017-12-13 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.1.0 security update
    • Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6 Server eap7-activemq-artemis-1.5.5.008-1.redhat_1.1.ep7.el6, eap7-activemq-artemis-cli-1.5.5.008-1.redhat_1.1.ep7.el6, eap7-activemq-artemis-commons-1.5.5.008-1.redhat_1.1.ep7.el6 +47
  • RHSA-2017:3456 Released 2017-12-13 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.1.0 security update
    • Red Hat JBoss EAP 7.1
  • RHSA-2017:3244 Released 2017-11-16 · Red Hat rating Important
    Red Hat JBoss Data Grid 7.1.1 security update
    • Red Hat JBoss Data Grid 7.1
  • RHSA-2017:1412 Released 2017-06-07 · Red Hat rating Moderate
    eap7-jboss-ec2-eap security update
    • Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 Server eap7-jboss-ec2-eap-7.0.6-1.GA_redhat_1.ep7.el6, eap7-jboss-ec2-eap-samples-7.0.6-1.GA_redhat_1.ep7.el6
    • Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 Server eap7-jboss-ec2-eap-7.0.6-1.GA_redhat_1.ep7.el7, eap7-jboss-ec2-eap-samples-7.0.6-1.GA_redhat_1.ep7.el7
  • RHSA-2017:1410 Released 2017-06-07 · Red Hat rating Moderate
    JBoss Enterprise Application Platform 7.0.6 on Red Hat Enterprise Linux 6
    • Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 Server eap7-activemq-artemis-1.1.0-17.SP20_redhat_1.1.ep7.el6, eap7-activemq-artemis-cli-1.1.0-17.SP20_redhat_1.1.ep7.el6, eap7-activemq-artemis-commons-1.1.0-17.SP20_redhat_1.1.ep7.el6 +47
  • RHSA-2017:1411 Released 2017-06-07 · Red Hat rating Moderate
    JBoss Enterprise Application Platform 7.0.6 on Red Hat Enterprise Linux 7
    • Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 Server eap7-activemq-artemis-1.1.0-17.SP20_redhat_1.1.ep7.el7, eap7-activemq-artemis-cli-1.1.0-17.SP20_redhat_1.1.ep7.el7, eap7-activemq-artemis-commons-1.1.0-17.SP20_redhat_1.1.ep7.el7 +47
  • RHSA-2017:1409 Released 2017-06-07 · Red Hat rating Moderate
    Red Hat JBoss Enterprise Application Platform security update
    • Red Hat JBoss EAP 7.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    [UNKNOWN] undertow — DSA-3906

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2017-01912 It was discovered in Undertow that the code that parsed the HTTP request line permitted…Priority LOW 34
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Fuse 7AffectedNo fix yet
Red Hat JBoss Data Grid 7AffectedNo fix yet
Red Hat JBoss Fuse 6AffectedNo fix planned: Will not fix
Red Hat JBoss Fuse Integration Service 2AffectedNo fix yet
Red Hat Single Sign-On 7AffectedNo fix yet
Red Hat JBoss Data Grid 7.1Fixed RHSA-2017:3244
Red Hat JBoss EAP 7.0Fixed RHSA-2017:1409
Red Hat JBoss EAP 7.1Fixed RHSA-2017:3456
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 ServerFixed RHSA-2017:1410, RHSA-2017:1412
Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7 ServerFixed RHSA-2017:1411, RHSA-2017:1412
Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6 ServerFixed RHSA-2017:3454, RHSA-2017:3458
Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7 ServerFixed RHSA-2017:3455, RHSA-2017:3458
Red Hat Single Sign-On 7.2.1 zipFixed RHSA-2018:0501

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-2670
  2. 2026-10-03 Alias added: GHSA-3x7h-5hfr-hvjm
  3. 2026-11-06 Fix available: Red Hat JBoss EAP 7.0, Red Hat JBoss EAP 7.1 · Red Hat

References

Advisory 12

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences