CVE-2019-17023

MEDIUM

Description

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.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1590001

https://usn.ubuntu.com/4234-1/

https://usn.ubuntu.com/4397-1/

https://www.debian.org/security/2020/dsa-4726

https://www.mozilla.org/security/advisories/mfsa2020-01/

Details

Source: MITRE

Published: 2020-01-08

Updated: 2020-07-18

Type: CWE-287

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM

Tenable Plugins

View all (15 total)

IDNameProductFamilySeverity
147361NewStart CGSL CORE 5.04 / MAIN 5.04 : nss Multiple Vulnerabilities (NS-SA-2021-0019)NessusNewStart CGSL Local Security Checks
critical
147281NewStart CGSL MAIN 6.02 : nss Multiple Vulnerabilities (NS-SA-2021-0053)NessusNewStart CGSL Local Security Checks
critical
145878CentOS 8 : nss and nspr (CESA-2020:3280)NessusCentOS Local Security Checks
critical
142720Amazon Linux 2 : nspr (ALAS-2020-1559)NessusAmazon Linux Local Security Checks
critical
142600CentOS 7 : nss and nspr (CESA-2020:4076)NessusCentOS Local Security Checks
critical
141689Scientific Linux Security Update : nss and nspr on SL7.x x86_64 (20201001)NessusScientific Linux Local Security Checks
critical
141312Oracle Linux 7 : nss / and / nspr (ELSA-2020-4076)NessusOracle Linux Local Security Checks
critical
141059RHEL 7 : nss and nspr (RHSA-2020:4076)NessusRed Hat Local Security Checks
critical
139397Oracle Linux 8 : nspr / nss (ELSA-2020-3280)NessusOracle Linux Local Security Checks
medium
139293RHEL 8 : nss and nspr (RHSA-2020:3280)NessusRed Hat Local Security Checks
critical
138646Debian DSA-4726-1 : nss - security updateNessusDebian Local Security Checks
critical
137555Ubuntu 16.04 LTS / 18.04 LTS / 19.10 / 20.04 : NSS vulnerabilities (USN-4397-1)NessusUbuntu Local Security Checks
medium
132854Ubuntu 16.04 LTS / 18.04 LTS / 19.04 / 19.10 : firefox vulnerabilities (USN-4234-1)NessusUbuntu Local Security Checks
medium
132709Mozilla Firefox < 72.0 Multiple VulnerabilitiesNessusWindows
medium
132708Mozilla Firefox < 72.0 Multiple VulnerabilitiesNessusMacOS X Local Security Checks
medium