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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.57% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-345
- Affected
- freeradius/freeradius · fedoraproject/fedora · 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 · canonical/ubuntu linux · opensuse/leap
- Source
- cve@mitre.org
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 Tracking, Patch, Third Party Advisory
- https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
- https://freeradius.org/security/Vendor Advisory
- https://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
- https://usn.ubuntu.com/3954-1/Third Party Advisory
- https://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US 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
- https://access.redhat.com/errata/RHSA-2019:1142
- https://bugzilla.redhat.com/show_bug.cgi?id=1695748Issue Tracking, Patch, Third Party Advisory
- https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
- https://freeradius.org/security/Vendor Advisory
- https://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
- https://usn.ubuntu.com/3954-1/Third Party Advisory
- https://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.