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Vulnerability Details : 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.
Publish Date : 2019-04-22 Last Update Date : 2019-05-13
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 345

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:1131: freeradius security update (Important) oval:com.redhat.rhsa:def:20191131 unix
RHSA-2019:1142: freeradius:3.0 security update (Important) oval:com.redhat.rhsa:def:20191142 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-11235

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 18.10 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 19.04 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora - * * * Version Details Vulnerabilities
5 Application Freeradius Freeradius * * * * Version Details Vulnerabilities
6 OS Opensuse Leap 15.0 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Eus 7.6 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server Aus 7.6 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Server Tus 7.6 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Fedoraproject Fedora 1
Freeradius Freeradius 1
Opensuse Leap 1
Redhat Enterprise Linux 1
Redhat Enterprise Linux Eus 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Tus 1
Redhat Enterprise Linux Workstation 1

- References For CVE-2019-11235

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
SUSE openSUSE-SU-2020:0542
https://access.redhat.com/errata/RHSA-2019:1142
REDHAT RHSA-2019:1142
https://access.redhat.com/errata/RHSA-2019:1131
REDHAT RHSA-2019:1131
https://usn.ubuntu.com/3954-1/
UBUNTU USN-3954-1
https://bugzilla.redhat.com/show_bug.cgi?id=1695748 CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
SUSE openSUSE-SU-2019:1394
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html
SUSE openSUSE-SU-2019:1346
https://freeradius.org/security/
https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19
https://papers.mathyvanhoef.com/dragonblood.pdf
https://www.kb.cert.org/vuls/id/871675/

- Metasploit Modules Related To CVE-2019-11235

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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