Vulnerability Name:

CVE-2021-23978 (CCN-197286)

Assigned:2021-02-23
Published:2021-02-23
Updated:2022-05-27
Summary:Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High
Availibility (A): High
8.8 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-23978

Source: MISC
Type: Broken Link, Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=786797%2C1682928%2C1687391%2C1687597

Source: XF
Type: UNKNOWN
firefox-cve202123978-code-exec(197286)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20210301 [SECURITY] [DLA 2578-1] thunderbird security update

Source: GENTOO
Type: Third Party Advisory
GLSA-202104-09

Source: GENTOO
Type: Third Party Advisory
GLSA-202104-10

Source: DEBIAN
Type: Third Party Advisory
DSA-4866

Source: CCN
Type: IBM Security Bulletin 6447459 (Application Performance Management)
Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.9.0 ESR +CVE-2021-23978) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF13 + ICAM2019.3.0 - 2020.2.0

Source: CCN
Type: IBM Security Bulletin 6454029 (Cloud Pak for Multicloud Management)
Multiple vulnerabilities in Mozilla Firefox affect IBM Cloud Pak for Multicloud Management Monitoring

Source: CCN
Type: Mozilla Foundation Security Advisory 2021-07
Security Vulnerabilities fixed in Firefox 86

Source: CCN
Type: Mozilla Foundation Security Advisory 2021-08
Security Vulnerabilities fixed in Firefox ESR 78.8

Source: CCN
Type: Mozilla Foundation Security Advisory 2021-09
Security Vulnerabilities fixed in Thunderbird 78.8

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-07/

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-08/

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-09/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-23978

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:firefox:*:*:*:*:*:*:*:* (Version < 86.0)
  • OR cpe:/a:mozilla:firefox_esr:*:*:*:*:*:*:*:* (Version < 78.8)
  • OR cpe:/a:mozilla:thunderbird:*:*:*:*:*:*:*:* (Version < 78.8)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • 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:645
    P
    		Security update for php7 (Moderate) (in QA)
    2022-10-04
    oval:org.opensuse.security:def:93317
    P
    		 (Important)
    2022-07-14
    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:3546
    P
    		libICE6-1.0.8-12.1 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:95176
    P
    		MozillaThunderbird-91.8.0-150200.8.65.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94827
    P
    		shim-15.4-4.7.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:93164
    P
    		 (Moderate)
    2022-02-18
    oval:org.opensuse.security:def:99207
    P
    		 (Important)
    2022-02-04
    oval:org.opensuse.security:def:111899
    P
    		MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:111905
    P
    		MozillaThunderbird-91.1.1-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:101540
    P
    		Security update for samba (Important)
    2021-11-15
    oval:org.opensuse.security:def:102218
    P
    		Security update for qemu (Important)
    2021-11-03
    oval:org.opensuse.security:def:1639
    P
    		Security update for squid (Moderate)
    2021-10-20
    oval:org.opensuse.security:def:105476
    P
    		MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:105478
    P
    		MozillaThunderbird-91.1.1-1.1 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:99404
    P
    		 (Important)
    2021-08-16
    oval:org.opensuse.security:def:101134
    P
    		MozillaFirefox-78.10.0-8.38.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:72447
    P
    		MozillaFirefox-78.10.0-8.38.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62728
    P
    		MozillaFirefox-78.10.0-8.38.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:111253
    P
    		Security update for MozillaThunderbird (Important)
    2021-03-05
    oval:org.opensuse.security:def:111246
    P
    		Security update for MozillaFirefox (Important)
    2021-03-03
    oval:org.opensuse.security:def:108884
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:95505
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:9654
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:92454
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:67046
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:5957
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:9853
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:92653
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:69794
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:99603
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:8901
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:92062
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:99012
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:10404
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:92852
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:69993
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:99802
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:76114
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:97255
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:9096
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:92257
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:93011
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:70544
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:100114
    P
    		Security update for MozillaFirefox (Important)
    2021-03-02
    oval:org.opensuse.security:def:23751
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:55300
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:84732
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:43086
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:117720
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:34032
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:29477
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:58088
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:87552
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:41155
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:51739
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:82684
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:127225
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:97250
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:70813
    P
    		Security update for MozillaThunderbird (Important)
    2021-03-01
    oval:org.opensuse.security:def:32265
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:60465
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:89510
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:24027
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:55855
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:85813
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:109673
    P
    		Security update for MozillaThunderbird (Important)
    2021-03-01
    oval:org.opensuse.security:def:44376
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:96335
    P
    		Security update for MozillaThunderbird (Important)
    2021-03-01
    oval:org.opensuse.security:def:119813
    P
    		Security update for MozillaThunderbird (Important)
    2021-03-01
    oval:org.opensuse.security:def:34642
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:30032
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:58911
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:88254
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:21417
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:52015
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:83239
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:74339
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:97251
    P
    		Security update for MozillaThunderbird (Important)
    2021-03-01
    oval:org.opensuse.security:def:33088
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:26202
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:57172
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:86200
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:38656
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:45585
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:81111
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:125660
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:31349
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:59597
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:88571
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:23182
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:54767
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:84274
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:108206
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:5189
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:103007
    P
    		Security update for MozillaThunderbird (Important)
    2021-03-01
    oval:org.opensuse.security:def:33774
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:65271
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:28944
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:57559
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:86729
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:39946
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:51170
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:82151
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:126828
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:10673
    P
    		Security update for MozillaThunderbird (Important)
    2021-03-01
    oval:org.opensuse.security:def:4182
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:31736
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:59855
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:org.opensuse.security:def:89252
    P
    		Security update for MozillaFirefox (Important)
    2021-03-01
    oval:com.redhat.rhsa:def:20210655
    P
    		RHSA-2021:0655: firefox security update (Critical)
    2021-02-24
    oval:com.redhat.rhsa:def:20210656
    P
    		RHSA-2021:0656: firefox security update (Critical)
    2021-02-24
    oval:com.redhat.rhsa:def:20210657
    P
    		RHSA-2021:0657: thunderbird security update (Important)
    2021-02-24
    oval:com.redhat.rhsa:def:20210661
    P
    		RHSA-2021:0661: thunderbird security update (Important)
    2021-02-24
    BACK
    mozilla firefox *
    mozilla firefox esr *
    mozilla thunderbird *
    debian debian linux 9.0
    debian debian linux 10.0
    ibm application performance management 8.1.4