CVE-2019-11235
9.8
CRITICAL · CVSS 3.0 · EPSS 3.6% (pctl 89)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.57% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-345 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-04-22 |
| Last modified | 2026-06-17 |
Affected (10)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| fedoraproject | fedora |
| freeradius | freeradius |
| opensuse | leap |
| redhat | enterprise linux |
| redhat | enterprise linux eus |
| redhat | enterprise linux server |
| redhat | enterprise linux server aus |
| redhat | enterprise linux server tus |
| redhat | enterprise linux workstation |
References
- 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/
- 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
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