Vulnerability Name:

CVE-2022-40956 (CCN-236607)

Assigned:2022-09-20
Published:2022-09-20
Updated:2022-12-30
Summary:When injecting an HTML base element, some requests would ignore the CSP's base-uri settings and accept the injected element's base instead. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
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
6.1 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity: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 Type:CWE-1021
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2022-40956

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

Source: XF
Type: UNKNOWN
firefox-cve202240956-sec-bypass(236607)

Source: CCN
Type: IBM Security Bulletin 6842099 (Application Performance Management)
Multiple vulnerabilities of Mozilla Firefox (less than Firefox 102.4ESR) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF16 - 2022.4.0

Source: CCN
Type: Mozilla Foundation Security Advisory 2022-40
Security Vulnerabilities fixed in Firefox 105

Source: CCN
Type: Mozilla Foundation Security Advisory 2022-41
Security Vulnerabilities fixed in Firefox ESR 102.3

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

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

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

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:9:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:9::appstream:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*
    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*
    • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*
    • Configuration RedHat 8:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:application_performance_management:8.1.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20226700
    P
    		RHSA-2022:6700: firefox security update (Important)
    2022-09-26
    oval:com.redhat.rhsa:def:20226711
    P
    		RHSA-2022:6711: firefox security update (Important)
    2022-09-26
    oval:com.redhat.rhsa:def:20226702
    P
    		RHSA-2022:6702: firefox security update (Important)
    2022-09-26
    oval:com.redhat.rhsa:def:20226717
    P
    		RHSA-2022:6717: thunderbird security update (Important)
    2022-09-26
    oval:com.redhat.rhsa:def:20226708
    P
    		RHSA-2022:6708: thunderbird security update (Important)
    2022-09-26
    oval:org.opensuse.security:def:779
    P
    		Security update for MozillaFirefox (Important)
    2022-09-26
    oval:com.redhat.rhsa:def:20226710
    P
    		RHSA-2022:6710: thunderbird security update (Important)
    2022-09-26
    BACK
    ibm application performance management 8.1.4