Vulnerability Name:

CVE-2019-17023 (CCN-174062)

Assigned:2019-09-30
Published:2020-01-07
Updated:2023-01-27
Summary: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.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
5.3 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N)
4.6 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2019-17023

Source: security@mozilla.org
Type: Issue Tracking, Permissions Required
security@mozilla.org

Source: XF
Type: UNKNOWN
firefox-cve201917023-sec-bypass(174062)

Source: security@mozilla.org
Type: Third Party Advisory
security@mozilla.org

Source: security@mozilla.org
Type: Third Party Advisory
security@mozilla.org

Source: security@mozilla.org
Type: Third Party Advisory
security@mozilla.org

Source: CCN
Type: IBM Security Bulletin 6403279 (Security Privileged Identity Manager)
IBM Security Privileged Identity Manager is affected by security vulnerabilities

Source: CCN
Type: IBM Security Bulletin 6403293 (MQ Appliance)
IBM MQ Appliance is affected by multiple nss and nspr vulnerabilities

Source: CCN
Type: IBM Security Bulletin 6457719 (Security Identity Governance and Intelligence)
IBM has announced a release for IBM Security Identity Governance and Intelligence in response to a security vulnerability (CVE-2019-17006, CVE-2019-17023, CVE-2020-12403)

Source: CCN
Type: Mozilla Foundation Security Advisory 2020-01
Security Vulnerabilities fixed in Firefox 72

Source: security@mozilla.org
Type: Vendor Advisory
security@mozilla.org

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
  • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*
  • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*
  • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*
  • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*
  • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*
  • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:mozilla:firefox:71:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:security_identity_governance_and_intelligence:5.2.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.0:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:security_privileged_identity_manager:2.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.2:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.2:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.3:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.3:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:security_identity_governance_and_intelligence:5.2.5:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.4:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:security_identity_governance_and_intelligence:5.2.6:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.5:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.2.0.0:*:*:*:continuous_delivery:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:111899
    P
    MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105476
    P
    MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2021-10-01
    oval:com.redhat.rhsa:def:20204076
    P
    RHSA-2020:4076: nss and nspr security, bug fix, and enhancement update (Moderate)
    2020-09-29
    oval:com.redhat.rhsa:def:20203280
    P
    RHSA-2020:3280: nss and nspr security, bug fix, and enhancement update (Moderate)
    2020-08-03
    oval:com.ubuntu.disco:def:2019170230000000
    V
    CVE-2019-17023 on Ubuntu 19.04 (disco) - low.
    2020-01-08
    oval:com.ubuntu.bionic:def:2019170230000000
    V
    CVE-2019-17023 on Ubuntu 18.04 LTS (bionic) - low.
    2020-01-08
    oval:com.ubuntu.xenial:def:2019170230000000
    V
    CVE-2019-17023 on Ubuntu 16.04 LTS (xenial) - low.
    2020-01-08
    BACK
    mozilla firefox 71
    ibm security identity governance and intelligence 5.2.4
    ibm mq appliance 9.1.0.0
    ibm mq appliance 9.1.0.1
    ibm mq appliance 9.1.1
    ibm security privileged identity manager 2.1.1
    ibm mq appliance 9.1.0.2
    ibm mq appliance 9.1.2
    ibm mq appliance 9.1.0.3
    ibm mq appliance 9.1.3
    ibm security identity governance and intelligence 5.2.5
    ibm mq appliance 9.1.0.4
    ibm mq appliance 9.1.4
    ibm security identity governance and intelligence 5.2.6
    ibm mq appliance 9.1.5
    ibm mq appliance 9.2.0.0