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The vulnerability in the processing of CSP policies for Mozilla Firefox and Mozilla Thunderbird web browsers, related to security configuration errors, allows attackers to circumvent existing security restrictions.

🗓️ 17 Dec 2021 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 5 Views

CSP policy vulnerability in Firefox and Thunderbird allows bypassing security by embedding content.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ALT Linux		Security fix for the ALT Linux 10 package firefox-esr version 91.4.0-alt1
14 Dec 202100:00
–altlinux
ALT Linux		Security fix for the ALT Linux 10 package thunderbird version 91.4.0-alt1
21 Dec 202100:00
–altlinux
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in Mozilla Firefox affect IBM Cloud Pak for Multicloud Management Monitoring.
31 Jan 202314:47
–ibm
IBM Security Bulletins		Security Bulletin: 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
29 Apr 202204:43
–ibm
ATTACKERKB		CVE-2021-43543
8 Dec 202122:15
–attackerkb
Tenable Nessus		AlmaLinux 8 : firefox (ALSA-2021:5013)
9 Feb 202200:00
–nessus
Tenable Nessus		AlmaLinux 8 : thunderbird (ALSA-2021:5045)
9 Feb 202200:00
–nessus
Tenable Nessus		CentOS 8 : firefox (CESA-2021:5013)
10 Dec 202100:00
–nessus
Tenable Nessus		CentOS 8 : thunderbird (CESA-2021:5045)
10 Dec 202100:00
–nessus
Tenable Nessus		CentOS 7 : firefox (RHSA-2021:5014)
9 Oct 202400:00
–nessus
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Vulners
Node
mozillathunderbirdRange<91.4.0
OR
mozillafirefoxRange<95
OR
mozillafirefox_esrRange<91.4.0
SourceLink
redoswww.redos.red-soft.ru/updatesec/
cybersecurity-helpwww.cybersecurity-help.cz/vdb/SB2021120711
mozillawww.mozilla.org/en-US/security/advisories/mfsa2021-52/
mozillawww.mozilla.org/en-US/security/advisories/mfsa2021-53/
mozillawww.mozilla.org/en-US/security/advisories/mfsa2021-54/
streletswww.strelets.net/patchi-i-obnovleniya-bezopasnosti
xn--80ahaefyxhnwww.xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai/bin/view/%D0%9E%D0%A1%D0%BD%D0%BE%D0%B2%D0%B0/%D0%9E%D0%B1%D0%BD%D0%BE%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F/2.4.2/
streletswww.strelets.net/patchi-i-obnovleniya-bezopasnosti
xn--80ahaefyxhnwww.xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai/bin/view/%D0%9E%D0%A1%D0%BD%D0%BE%D0%B2%D0%B0/%D0%9E%D0%B1%D0%BD%D0%BE%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F/2.5/
webwww.web.nvd.nist.gov/view/vuln/detail
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03 Apr 2024 00:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 35.4
CVSS 26.4
EPSS0.01352
content security policyfirefox browserthunderbird browserbypass securityembedding content
5