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CVE-2019-11235

Published: 16 April 2019

FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used" protection mechanism, aka a "Dragonblood" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
freeradius
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist
(trusty was not-affected [code not present])
xenial Not vulnerable
(code not present)
bionic
Released (3.0.16+dfsg-1ubuntu3.1)
cosmic
Released (3.0.16+dfsg-3ubuntu1.1)
disco
Released (3.0.17+dfsg-1ubuntu2.1)
Patches:
upstream: https://github.com/FreeRADIUS/freeradius-server/commit/85497b5ff37ccb656895b826b88585898c209586
upstream: https://github.com/FreeRADIUS/freeradius-server/commit/ab4c767099f263a7cd4109bcdca80ee74210a769

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H