Vulnerability Name:

CVE-2021-43542 (CCN-214740)

Assigned:2021-12-07
Published:2021-12-07
Updated:2022-12-09
Summary:Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/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): High
Integrity (I): None
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:H/I:N/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:H/I:N/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): High
Integrity (I): None
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:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-209
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-43542

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

Source: XF
Type: UNKNOWN
firefox-cve202143542-info-disc(214740)

Source: security@mozilla.org
Type: Mailing List, Third Party Advisory
security@mozilla.org

Source: security@mozilla.org
Type: Mailing List, 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: 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 6578563 (Application Performance Management)
Multiple vulnerabilities of Mozilla Firefox (less than Firefox 91.8.0ESR) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF16 - 2022.4.0

Source: CCN
Type: IBM Security Bulletin 6891067 (Cloud Pak for Multicloud Management Monitoring)
Multiple vulnerabilities in Mozilla Firefox affect IBM Cloud Pak for Multicloud Management Monitoring.

Source: CCN
Type: Mozilla Foundation Security Advisory 2021-52
Security Vulnerabilities fixed in Firefox 95

Source: CCN
Type: Mozilla Foundation Security Advisory 2021-53
Security Vulnerabilities fixed in Firefox ESR 91.4.0

Source: CCN
Type: Mozilla Foundation Security Advisory 2021-54
Security Vulnerabilities fixed in Thunderbird 91.4.0

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: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::server:*:*:*:*:*
    • Configuration RedHat 6:
  • 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:org.opensuse.security:def:7868
    P
    		MozillaFirefox-102.11.0-150200.152.87.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:51995
    P
    		Security update for c-ares (Important) (in QA)
    2023-02-10
    oval:org.opensuse.security:def:3546
    P
    		libICE6-1.0.8-12.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3252
    P
    		libsmi-0.4.8-18.55 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:94882
    P
    		MozillaFirefox-91.8.0-150200.152.26.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94817
    P
    		qemu-tools-6.2.0-150400.35.10 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95176
    P
    		MozillaThunderbird-91.8.0-150200.8.65.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:102177
    P
    		Security update for SUSE Manager Server 4.2 (Moderate)
    2022-03-04
    oval:org.opensuse.security:def:100087
    P
    		 (Moderate)
    2022-03-04
    oval:org.opensuse.security:def:111902
    P
    		MozillaFirefox-95.0-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:111908
    P
    		MozillaThunderbird-91.4.0-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:111187
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-29
    oval:org.opensuse.security:def:111845
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:6276
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:96332
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:109670
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:76433
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:103004
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:119810
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:1792
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:10670
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:70810
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:10707
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:70847
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:102344
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:67365
    P
    		Security update for MozillaThunderbird (Important)
    2021-12-22
    oval:org.opensuse.security:def:33753
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:57541
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:86182
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:29459
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:111165
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:59834
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:88548
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:31718
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:55984
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:84250
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:127204
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:23722
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:34011
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:58059
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:86700
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:30161
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:51710
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:82666
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:60433
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:89231
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:32236
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:56104
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:84708
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:24007
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:34610
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:58883
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:87524
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:30281
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:83368
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:125640
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:89489
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:33060
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:57143
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:85784
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:26182
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:5169
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:59576
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:88231
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:31320
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:55282
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:83488
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:126807
    P
    		Security update for MozillaFirefox (Important)
    2021-12-12
    oval:org.opensuse.security:def:41162
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:76418
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:92627
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:106466
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:10187
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:70327
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:65326
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:98988
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:45592
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:117710
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:74329
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:92038
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:1050
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:105873
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:9433
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:69573
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:99776
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:4237
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:92826
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:106753
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:10378
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:70518
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:8686
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:67005
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:99183
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:38664
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:74394
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:92233
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:106068
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:9628
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:69768
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:5916
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:43094
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:108196
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:101741
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:8877
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:67350
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:99378
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:39954
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:76073
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:92428
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:106267
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:9827
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:69967
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:101530
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:111828
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:6261
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:65261
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:44384
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:95464
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:108843
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:105678
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:9072
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:99577
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:org.opensuse.security:def:4172
    P
    		Security update for MozillaFirefox (Important)
    2021-12-10
    oval:com.redhat.rhsa:def:20215045
    P
    		RHSA-2021:5045: thunderbird security update (Important)
    2021-12-09
    oval:com.redhat.rhsa:def:20215046
    P
    		RHSA-2021:5046: thunderbird security update (Important)
    2021-12-09
    oval:com.redhat.rhsa:def:20215013
    P
    		RHSA-2021:5013: firefox security update (Important)
    2021-12-08
    oval:com.redhat.rhsa:def:20215014
    P
    		RHSA-2021:5014: firefox security update (Important)
    2021-12-08
    BACK
    ibm application performance management 8.1.4