National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-11235 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
https://access.redhat.com/errata/RHSA-2019:1131 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1142
https://bugzilla.redhat.com/show_bug.cgi?id=1695748 Issue Tracking Patch Third Party Advisory
https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19 Release Notes Vendor Advisory
https://freeradius.org/security/ Vendor Advisory
https://papers.mathyvanhoef.com/dragonblood.pdf Technical 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

Technical Details

Vulnerability Type (View All)

  • Insufficient Verification of Data Authenticity (CWE-345)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:freeradius:freeradius
     Show Matching CPE(s)
Up to (excluding)
3.0.19

Configuration 2 ( hide )
 cpe:/o:fedoraproject:fedora:-
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:/o:redhat:enterprise_linux:7.0
     Show Matching CPE(s)
 cpe:/o:redhat:enterprise_linux_eus:7.6
     Show Matching CPE(s)
 cpe:/o:redhat:enterprise_linux_server:7.0
     Show Matching CPE(s)
 cpe:/o:redhat:enterprise_linux_server_aus:7.6
     Show Matching CPE(s)
 cpe:/o:redhat:enterprise_linux_server_tus:7.6
     Show Matching CPE(s)
 cpe:/o:redhat:enterprise_linux_workstation:7.0
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
     Show Matching CPE(s)
 cpe:/o:canonical:ubuntu_linux:18.10
     Show Matching CPE(s)
 cpe:/o:canonical:ubuntu_linux:19.04
     Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:/o:opensuse:leap:15.0
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-11235
NVD Published Date:
04/22/2019
NVD Last Modified:
05/13/2019