Vulnerability Monitor

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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

2019-04-22T11:29:03.517

Last Modified

2024-11-21T04:20:47.093

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-345

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	freeradius	freeradius	< 3.0.19	Yes
Operating System	fedoraproject	fedora	-	Yes
Operating System	redhat	enterprise_linux	7.0	Yes
Operating System	redhat	enterprise_linux_eus	7.6	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_server_aus	7.6	Yes
Operating System	redhat	enterprise_linux_server_tus	7.6	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	18.10	Yes
Operating System	canonical	ubuntu_linux	19.04	Yes
Operating System	opensuse	leap	15.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html ([email protected])
https://access.redhat.com/errata/RHSA-2019:1131 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2019:1142 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1695748 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19 Release Notes, Vendor Advisory ([email protected])
https://freeradius.org/security/ Vendor Advisory ([email protected])
https://papers.mathyvanhoef.com/dragonblood.pdf Technical Description, Third Party Advisory ([email protected])
https://usn.ubuntu.com/3954-1/ Third Party Advisory ([email protected])
https://www.kb.cert.org/vuls/id/871675/ Not Applicable, Third Party Advisory, US Government Resource ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2019:1131 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2019:1142 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1695748 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://freeradius.org/security/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://papers.mathyvanhoef.com/dragonblood.pdf Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3954-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.kb.cert.org/vuls/id/871675/ Not Applicable, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)