Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freeradius | Freeradius | < 3.0.19 |
| Fedoraproject | Fedora | - |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux Eus | 7.6 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Canonical | Ubuntu Linux | 18.04 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.htmlThird Party Advisory
- 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-2019:1131Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1142
- https://bugzilla.redhat.com/show_bug.cgi?id=1695748Issue TrackingPatchThird Party Advisory
- https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release NotesVendor Advisory
- https://freeradius.org/security/Vendor Advisory
- https://papers.mathyvanhoef.com/dragonblood.pdfTechnical DescriptionThird Party Advisory
- https://usn.ubuntu.com/3954-1/Third Party Advisory
- https://www.kb.cert.org/vuls/id/871675/Not ApplicableThird Party AdvisoryUS Government Resource
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.htmlThird Party Advisory
- 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-2019:1131Third Party Advisory
FAQ
What is CVE-2019-11235?
CVE-2019-11235 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2019-11235?
CVE-2019-11235 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-11235?
Check the references section above for vendor advisories and patch information. Affected products include: Freeradius Freeradius, Fedoraproject Fedora, Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server.