CVE-2021-4140
published 2022-12-22CVE-2021-4140: It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96…
PriorityP352critical10CVSS 3.1
AVNACLPRNUINSCCHIHAH
EPSS
1.34%
67.8th percentile
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 96.0-1 (sid) | firefox 96.0-1 (sid) |
| debian | firefox-esr | < firefox 96.0-1 (sid) | firefox 96.0-1 (sid) |
| debian | thunderbird | < firefox 96.0-1 (sid) | firefox 96.0-1 (sid) |
| mozilla | firefox | < 96.0 | 96.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= unspecified < 96 | 96 |
| mozilla | firefox_esr | < 91.5 | 91.5 |
| mozilla | firefox_esr | >= unspecified < 91.5 | 91.5 |
| mozilla | thunderbird | < 91.5 | 91.5 |
| mozilla | thunderbird | >= 0 < 1:91.5.0-2~deb11u1 | 1:91.5.0-2~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:91.5.0-1 | 1:91.5.0-1 |
| mozilla | thunderbird | >= 0 < 1:91.5.0-1 | 1:91.5.0-1 |
| mozilla | thunderbird | >= 0 < 1:91.5.0-1 | 1:91.5.0-1 |
| 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 < 91.5 | 91.5 |
CVSS provenance
nvdv3.110.0CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
osv10.0CRITICAL
vendor_debian10.0CRITICAL
vendor_redhat10.0CRITICAL
vendor_ubuntu8.8HIGH
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OSV
CVE-2021-4140: It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox
osv·2022-12-22·CVSS 10.0
CVE-2021-4140 [CRITICAL] CVE-2021-4140: It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
GHSA
GHSA-h5mr-xp97-c4p5: It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox
ghsa_unreviewed·2022-12-22
CVE-2021-4140 [CRITICAL] CWE-91 GHSA-h5mr-xp97-c4p5: It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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
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 vulnerabilities
vendor_ubuntu·2022-01-13
CVE-2022-22742 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, spoof the browser
UI, bypass security restrictions, obtain sensitive information across
domains, or execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Red Hat
Mozilla: Iframe sandbox bypass with XSLT
vendor_redhat·2022-01-11·CVSS 10.0
CVE-2021-4140 [CRITICAL] CWE-1021 Mozilla: Iframe sandbox bypass with XSLT
Mozilla: Iframe sandbox bypass with XSLT
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
The Mozilla Foundation Security Advisory describes this flaw as:
It was possible to construct specific XSLT markups that would enable someone to bypass an iframe sandbox.
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: firefox (Red Hat Enterprise Linux 6) - Out of support scope
Package: thunderbird (Red Hat Enterprise Linux 6) - Out of support scope
Debian
CVE-2021-4140: firefox - It was possible to construct specific XSLT markup that would be able to bypass a...
vendor_debian·2021·CVSS 10.0
CVE-2021-4140 [CRITICAL] CVE-2021-4140: firefox - It was possible to construct specific XSLT markup that would be able to bypass a...
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Scope: local
sid: resolved (fixed in 96.0-1)
Mozilla
Mozilla Foundation Security Advisory 2022-01: CVE-2021-4140
vendor_mozilla·CVSS 10.0
CVE-2021-4140 [CRITICAL] Mozilla Foundation Security Advisory 2022-01: CVE-2021-4140
Mozilla Foundation Security Advisory 2022-01
CVE: CVE-2021-4140
Product: Firefox
Impact: moderate
Fixed in: Firefox 96
Mozilla
Mozilla Foundation Security Advisory 2022-03: CVE-2021-4140
vendor_mozilla·CVSS 10.0
CVE-2021-4140 [CRITICAL] Mozilla Foundation Security Advisory 2022-03: CVE-2021-4140
Mozilla Foundation Security Advisory 2022-03
CVE: CVE-2021-4140
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 91.5
Mozilla
Mozilla Foundation Security Advisory 2022-02: CVE-2021-4140
vendor_mozilla·CVSS 10.0
CVE-2021-4140 [CRITICAL] Mozilla Foundation Security Advisory 2022-02: CVE-2021-4140
Mozilla Foundation Security Advisory 2022-02
CVE: CVE-2021-4140
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 91.5
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1746720https://www.mozilla.org/security/advisories/mfsa2022-01/https://www.mozilla.org/security/advisories/mfsa2022-02/https://www.mozilla.org/security/advisories/mfsa2022-03/https://bugzilla.mozilla.org/show_bug.cgi?id=1746720https://www.mozilla.org/security/advisories/mfsa2022-01/https://www.mozilla.org/security/advisories/mfsa2022-02/https://www.mozilla.org/security/advisories/mfsa2022-03/
2022-12-22
Published