Vulnerability in Freeradius
CVE-2019-11235
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.036 (89.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Freeradius
- Canonical Ubuntu Linux — versions 18.04, 18.10, 19.04
- Fedoraproject Fedora
- openSUSE Leap — versions 15.0
- Red Hat Enterprise Linux — versions 7.0
- Red Hat Enterprise Linux Eus — versions 7.6
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.6
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
References
- freeradius.org/release_notes/ (Release Notes, Vendor Advisory)
- papers.mathyvanhoef.com/dragonblood.pdf (Technical Description, Third Party Advisory)
- www.kb.cert.org/vuls/id/871675/ (US Government Resource, Third Party Advisory, Not Applicable)
- freeradius.org/security/ (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3954-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:1131 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:1142 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html (vendor-advisory)
Frequently asked questions
- What is CVE-2019-11235?
- CVE-2019-11235 is a critical-severity vulnerability in Freeradius, classified under Insufficient Verification of Data Authenticity. CVSS score: 9.8/10. Published 2019-04-22.
- How severe is CVE-2019-11235?
- Critical severity. CVSS v3 base score is 9.8 out of 10.