Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2019-11235

Disclosure Date: April 22, 2019 •
CVE-2019-11235 CVSS v3 Base Score: 9.8
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

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.

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CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
n/a
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • canonical,
  • fedoraproject,
  • freeradius,
  • opensuse,
  • redhat

Products

  • enterprise linux 7.0,
  • enterprise linux eus 7.6,
  • enterprise linux server 7.0,
  • enterprise linux server aus 7.6,
  • enterprise linux server tus 7.6,
  • enterprise linux workstation 7.0,
  • fedora -,
  • freeradius,
  • leap 15.0,
  • ubuntu linux 18.04,
  • ubuntu linux 18.10,
  • ubuntu linux 19.04
Technical Analysis