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Vulnerability Details : CVE-2019-17023

After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored. This vulnerability affects Firefox < 72.
Publish Date : 2020-01-08 Last Update Date : 2020-07-18
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
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 None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 287

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:3280: nss and nspr security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20203280 unix
RHSA-2020:4076: nss and nspr security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20204076 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-2019-17023

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 19.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 19.10 * * * Version Details Vulnerabilities
5 Application Mozilla Firefox * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Mozilla Firefox 1

- References For CVE-2019-17023

https://usn.ubuntu.com/4397-1/
UBUNTU USN-4397-1
https://usn.ubuntu.com/4234-1/
UBUNTU USN-4234-1
https://www.mozilla.org/security/advisories/mfsa2020-01/ CONFIRM
https://bugzilla.mozilla.org/show_bug.cgi?id=1590001
https://www.debian.org/security/2020/dsa-4726
DEBIAN DSA-4726

- Metasploit Modules Related To CVE-2019-17023

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


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