CVE-2019-11235
high-risk
Published 2019-04-22
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.
Do I need to act?
~
3.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (12)
Affected Vendors
References (22)
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1131
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1695748
Release Notes
https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19
Vendor Advisory
https://freeradius.org/security/
Technical Description
https://papers.mathyvanhoef.com/dragonblood.pdf
Third Party Advisory
https://usn.ubuntu.com/3954-1/
Not Applicable
https://www.kb.cert.org/vuls/id/871675/
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1131
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1695748
Release Notes
https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19
Vendor Advisory
https://freeradius.org/security/
Technical Description
https://papers.mathyvanhoef.com/dragonblood.pdf
and 2 more references
56
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
7/34 · Low
Exposure
17/34 · Moderate