CVE-2019-11234

FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a "Dragonblood" issue, a similar issue to CVE-2019-9497.

• CWE-287

• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
• https://access.redhat.com/errata/RHSA-2019:1131
• https://access.redhat.com/errata/RHSA-2019:1142
• https://bugzilla.redhat.com/show_bug.cgi?id=1695783Issue Tracking, Third Party Advisory
• https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
• https://freeradius.org/security/Vendor Advisory
• https://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
• https://usn.ubuntu.com/3954-1/Third Party Advisory
• https://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US Government Resource
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
• https://access.redhat.com/errata/RHSA-2019:1131
• https://access.redhat.com/errata/RHSA-2019:1142
• https://bugzilla.redhat.com/show_bug.cgi?id=1695783Issue Tracking, Third Party Advisory
• https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
• https://freeradius.org/security/Vendor Advisory
• https://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
• https://usn.ubuntu.com/3954-1/Third Party Advisory
• https://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US Government Resource

Published

Apr 22, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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