CVE-2021-43541
published 2021-12-08CVE-2021-43541: When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects…
PriorityP430medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
EPSS
1.58%
72.5th percentile
When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Affected
23 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | firefox | < firefox 95.0-1 (sid) | firefox 95.0-1 (sid) |
| debian | firefox-esr | < firefox 95.0-1 (sid) | firefox 95.0-1 (sid) |
| debian | thunderbird | < firefox 95.0-1 (sid) | firefox 95.0-1 (sid) |
| mozilla | firefox | < 95.0 | 95.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 95.0.1+build2-0ubuntu0.18.04.1 | 95.0.1+build2-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 95.0+build1-0ubuntu0.18.04.1 | 95.0+build1-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 95.0.1+build2-0ubuntu0.20.04.1 | 95.0.1+build2-0ubuntu0.20.04.1 |
| mozilla | firefox | >= 0 < 95.0+build1-0ubuntu0.20.04.1 | 95.0+build1-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 95 | 95 |
| mozilla | firefox_esr | < 91.4.0 | 91.4.0 |
| mozilla | firefox_esr | >= unspecified < 91.4.0 | 91.4.0 |
| mozilla | thunderbird | < 91.4.0 | 91.4.0 |
| mozilla | thunderbird | >= 0 < 1:91.4.1-1~deb11u1 | 1:91.4.1-1~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:91.4.0-1 | 1:91.4.0-1 |
| mozilla | thunderbird | >= 0 < 1:91.4.0-1 | 1:91.4.0-1 |
| mozilla | thunderbird | >= 0 < 1:91.4.0-1 | 1:91.4.0-1 |
| mozilla | thunderbird | >= 0 < 1:91.5.0+build1-0ubuntu0.18.04.1 | 1:91.5.0+build1-0ubuntu0.18.04.1 |
| mozilla | thunderbird | >= 0 < 1:91.5.0+build1-0ubuntu0.20.04.1 | 1:91.5.0+build1-0ubuntu0.20.04.1 |
| mozilla | thunderbird | >= unspecified < 91.4.0 | 91.4.0 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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OSV
thunderbird vulnerabilities
osv·2022-01-21·CVSS 8.8
CVE-2021-4129 [HIGH] thunderbird vulnerabilities
thunderbird vulnerabilities
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, trick a user into accepting unwanted
permissions, conduct header splitting attacks, conduct spoofing attacks,
bypass security restrictions, confuse the user, or execute arbitrary code.
(CVE-2021-4129, CVE-2021-4140, CVE-2021-29981, CVE-2021-29982,
CVE-2021-29987, CVE-2021-29991, CVE-2021-38495, CVE-2021-38496,
CVE-2021-38497, CVE-2021-38498, CVE-2021-38500, CVE-2021-38501,
CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507,
CVE-2021-38508, CVE-2021-38509, CVE-2021-43534, CVE-2021-43535,
CVE-2021-43536, CVE
OSV
firefox regressions
osv·2021-12-20·CVSS 6.5
[MEDIUM] firefox regressions
firefox regressions
USN-5186-1 fixed vulnerabilities in Firefox. The update introduced several
minor regressions. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, conduct spoofing attacks, bypass CSP restrictions, or
execute arbitrary code. (CVE-2021-43536, CVE-2021-43537, CVE-2021-43538,
CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543,
CVE-2021-43545, CVE-2021-43546)
A security issue was discovered with the handling of WebExtension
permissions. If a user were tricked into installing a specially crafted
exte
GHSA
GHSA-33wh-q6g3-v2vg: When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped
ghsa_unreviewed·2021-12-09
CVE-2021-43541 [MEDIUM] GHSA-33wh-q6g3-v2vg: When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped
When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
OSV
firefox vulnerabilities
osv·2021-12-09·CVSS 6.5
CVE-2021-43536 [MEDIUM] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, conduct spoofing attacks, bypass CSP restrictions, or
execute arbitrary code. (CVE-2021-43536, CVE-2021-43537, CVE-2021-43538,
CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543,
CVE-2021-43545, CVE-2021-43546)
A security issue was discovered with the handling of WebExtension
permissions. If a user were tricked into installing a specially crafted
extension, an attacker could potentially exploit this to create and
install a service worker that wouldn't be uninstalled with the extension.
(CVE-2021-43540)
OSV
CVE-2021-43541: When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped
osv·2021-12-08·CVSS 6.5
CVE-2021-43541 [MEDIUM] CVE-2021-43541: When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped
When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2022-01-21·CVSS 6.5
CVE-2021-4140 [MEDIUM] Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, conduct spoofing attacks, bypass security
restrictions, or execute arbitrary code. (CVE-2021-4129, CVE-2021-4140,
CVE-2021-43536, CVE-2021-43537, CVE-2021-43538, CVE-2021-43539,
CVE-2021-43541, CVE-2021-43542, CVE-2021-43543, CVE-2021-43545,
CVE-2021-43656, CVE-2022-22737, CVE-2022-22738, CVE-2022-22739,
CVE-2022-22740, CVE-2022-22741, CVE-2022-22742, CVE-2022-22743,
CVE-2022-22745, CVE-2022-22747, CVE-2022-22748, CVE-2022-22751)
It was discovered th
Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2022-01-21·CVSS 8.8
CVE-2022-22742 [HIGH] Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, trick a user into accepting unwanted
permissions, conduct header splitting attacks, conduct spoofing attacks,
bypass security restrictions, confuse the user, or execute arbitrary code.
(CVE-2021-4129, CVE-2021-4140, CVE-2021-29981, CVE-2021-29982,
CVE-2021-29987, CVE-2021-29991, CVE-2021-38495, CVE-2021-38496,
CVE-2021-38497, CVE-2021-38498, CVE-2021-38500, CVE-2021-38501,
CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507,
CVE-2021-38508,
Ubuntu
Firefox regressions
vendor_ubuntu·2021-12-20·CVSS 6.5
[MEDIUM] Firefox regressions
Title: Firefox regressions
Summary: USN-5186-1 caused some minor regressions in Firefox.
USN-5186-1 fixed vulnerabilities in Firefox. The update introduced several
minor regressions. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, conduct spoofing attacks, bypass CSP restrictions, or
execute arbitrary code. (CVE-2021-43536, CVE-2021-43537, CVE-2021-43538,
CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543,
CVE-2021-43545, CVE-2021-43546)
A security issue was discovered with the handling of WebExtension
permis
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2021-12-09·CVSS 6.5
CVE-2021-43538 [MEDIUM] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, conduct spoofing attacks, bypass CSP restrictions, or
execute arbitrary code. (CVE-2021-43536, CVE-2021-43537, CVE-2021-43538,
CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543,
CVE-2021-43545, CVE-2021-43546)
A security issue was discovered with the handling of WebExtension
permissions. If a user were tricked into installing a specially crafted
extension, an attacker could potentially exploit this to create and
install a s
Red Hat
Mozilla: External protocol handler parameters were unescaped
vendor_redhat·2021-12-07·CVSS 6.5
CVE-2021-43541 [MEDIUM] CWE-428 Mozilla: External protocol handler parameters were unescaped
Mozilla: External protocol handler parameters were unescaped
When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Package: firefox (Red Hat Enterprise Linux 6) - Out of support scope
Package: thunderbird (Red Hat Enterprise Linux 6) - Out of support scope
Debian
CVE-2021-43541: firefox - When invoking protocol handlers for external protocols, a supplied parameter URL...
vendor_debian·2021·CVSS 6.5
CVE-2021-43541 [MEDIUM] CVE-2021-43541: firefox - When invoking protocol handlers for external protocols, a supplied parameter URL...
When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Scope: local
sid: resolved (fixed in 95.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-54: CVE-2021-43541
vendor_mozilla·CVSS 6.5
CVE-2021-43541 [MEDIUM] Mozilla Foundation Security Advisory 2021-54: CVE-2021-43541
Mozilla Foundation Security Advisory 2021-54
CVE: CVE-2021-43541
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 91.4
Mozilla
Mozilla Foundation Security Advisory 2021-53: CVE-2021-43541
vendor_mozilla·CVSS 6.5
CVE-2021-43541 [MEDIUM] Mozilla Foundation Security Advisory 2021-53: CVE-2021-43541
Mozilla Foundation Security Advisory 2021-53
CVE: CVE-2021-43541
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 91.4
Mozilla
Mozilla Foundation Security Advisory 2021-52: CVE-2021-43541
vendor_mozilla·CVSS 6.5
CVE-2021-43541 [MEDIUM] Mozilla Foundation Security Advisory 2021-52: CVE-2021-43541
Mozilla Foundation Security Advisory 2021-52
CVE: CVE-2021-43541
Product: Firefox
Impact: high
Fixed in: Firefox 95
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1696685https://lists.debian.org/debian-lts-announce/2021/12/msg00030.htmlhttps://lists.debian.org/debian-lts-announce/2022/01/msg00001.htmlhttps://security.gentoo.org/glsa/202202-03https://security.gentoo.org/glsa/202208-14https://www.debian.org/security/2021/dsa-5026https://www.debian.org/security/2022/dsa-5034https://www.mozilla.org/security/advisories/mfsa2021-52/https://www.mozilla.org/security/advisories/mfsa2021-53/https://www.mozilla.org/security/advisories/mfsa2021-54/https://bugzilla.mozilla.org/show_bug.cgi?id=1696685https://lists.debian.org/debian-lts-announce/2021/12/msg00030.htmlhttps://lists.debian.org/debian-lts-announce/2022/01/msg00001.htmlhttps://security.gentoo.org/glsa/202202-03https://security.gentoo.org/glsa/202208-14https://www.debian.org/security/2021/dsa-5026https://www.debian.org/security/2022/dsa-5034https://www.mozilla.org/security/advisories/mfsa2021-52/https://www.mozilla.org/security/advisories/mfsa2021-53/https://www.mozilla.org/security/advisories/mfsa2021-54/
2021-12-08
Published