CVE-2019-11235
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 3.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.6% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.6% · EPSS, next 30 days
- Weakness
- CWE-345
- Record status
- Modified
Affected
- 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
Attack profile CVSS 3.0 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-11235.md and follow it. Check whether this project is affected by CVE-2019-11235. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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://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/
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
- https://usn.ubuntu.com/3954-1/
- https://www.kb.cert.org/vuls/id/871675/