CVE-2019-11235 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

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=1695748 https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19 https://freeradius.org/security/ https://papers.mathyvanhoef.com/dragonblood.pdf https://usn.ubuntu.com/3954-1/ https://www.kb.cert.org/vuls/id/871675/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8