CVE-2019-11720
published 2019-07-23CVE-2019-11720: Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious…
PriorityP421medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
1.08%
61.2th percentile
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 68.0-1 (sid) | firefox 68.0-1 (sid) |
| mozilla | firefox | < 68.0 | 68.0 |
| mozilla | firefox | >= 0 < 68.0+build3-0ubuntu0.16.04.1 | 68.0+build3-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 68.0.1+build1-0ubuntu0.16.04.1 | 68.0.1+build1-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 68.0+build3-0ubuntu0.18.04.1 | 68.0+build3-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 68.0.1+build1-0ubuntu0.18.04.1 | 68.0.1+build1-0ubuntu0.18.04.1 |
| mozilla | firefox | >= unspecified < 68 | 68 |
| opensuse | leap | — | — |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv9.8CRITICAL
vendor_ubuntu9.8CRITICAL
vendor_debian6.1MEDIUM
vendor_redhat6.1MEDIUM
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Ubuntu
Firefox regressions
vendor_ubuntu·2019-07-25·CVSS 9.8
CVE-2019-9811 [CRITICAL] Firefox regressions
Title: Firefox regressions
Summary: USN-4054-1 caused some minor regressions in Firefox.
USN-4054-1 fixed vulnerabilities in Firefox. The update introduced
various minor regressions. This update fixes the problems.
We apologize for the inconvenience.
Original advisory details:
A sandbox escape was discovered in Firefox. If a user were tricked in to
installing a malicious language pack, an attacker could exploit this to
gain additional privileges. (CVE-2019-9811)
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass same origin restrictions, conduct cross-site scripting
(XSS) attacks, conduct cross-site request
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2019-07-12·CVSS 9.8
CVE-2019-9811 [CRITICAL] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
A sandbox escape was discovered in Firefox. If a user were tricked in to
installing a malicious language pack, an attacker could exploit this to
gain additional privileges. (CVE-2019-9811)
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass same origin restrictions, conduct cross-site scripting
(XSS) attacks, conduct cross-site request forgery (CSRF) attacks, spoof
origin attributes, spoof the addressbar contents, bypass safebrowsing
protections, or execute arbitrary code. (CVE-2
Red Hat
Mozilla: Character encoding XSS vulnerability
vendor_redhat·2019-07-09·CVSS 6.1
CVE-2019-11720 [MEDIUM] CWE-172 Mozilla: Character encoding XSS vulnerability
Mozilla: Character encoding XSS vulnerability
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
Package: firefox (Red Hat Enterprise Linux 5) - Out of support scope
Package: firefox (Red Hat Enterprise Linux 6) - Will not fix
Package: firefox (Red Hat Enterprise Linux 7) - Will not fix
Package: firefox (Red Hat Enterprise Linux 8) - Will not fix
Debian
CVE-2019-11720: firefox - Some unicode characters are incorrectly treated as whitespace during the parsing...
vendor_debian·2019·CVSS 6.1
CVE-2019-11720 [MEDIUM] CVE-2019-11720: firefox - Some unicode characters are incorrectly treated as whitespace during the parsing...
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
Scope: local
sid: resolved (fixed in 68.0-1)
GHSA
GHSA-c4xq-jjr6-4q6x: Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors
ghsa_unreviewed·2022-05-24
CVE-2019-11720 [MEDIUM] CWE-79 GHSA-c4xq-jjr6-4q6x: Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
OSV
firefox regressions
osv·2019-07-25·CVSS 9.8
CVE-2019-9811 [CRITICAL] firefox regressions
firefox regressions
USN-4054-1 fixed vulnerabilities in Firefox. The update introduced
various minor regressions. This update fixes the problems.
We apologize for the inconvenience.
Original advisory details:
A sandbox escape was discovered in Firefox. If a user were tricked in to
installing a malicious language pack, an attacker could exploit this to
gain additional privileges. (CVE-2019-9811)
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass same origin restrictions, conduct cross-site scripting
(XSS) attacks, conduct cross-site request forgery (CSRF) attacks, spoof
origin attributes, spoof the addressbar
OSV
firefox vulnerabilities
osv·2019-07-12·CVSS 9.8
CVE-2019-9811 [CRITICAL] firefox vulnerabilities
firefox vulnerabilities
A sandbox escape was discovered in Firefox. If a user were tricked in to
installing a malicious language pack, an attacker could exploit this to
gain additional privileges. (CVE-2019-9811)
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass same origin restrictions, conduct cross-site scripting
(XSS) attacks, conduct cross-site request forgery (CSRF) attacks, spoof
origin attributes, spoof the addressbar contents, bypass safebrowsing
protections, or execute arbitrary code. (CVE-2019-11709, CVE-2019-11710,
CVE-2019-11711, CVE-2019-11712, CVE-2019-11713, CVE-2019-11714,
CVE-2019-11715, CVE-2
OSV
CVE-2019-11720: Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors
osv·2019-07-11·CVSS 6.1
CVE-2019-11720 [MEDIUM] CVE-2019-11720: Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
No detection rules found.
No public exploits indexed.
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1556230https://security.gentoo.org/glsa/201908-12https://www.mozilla.org/security/advisories/mfsa2019-21/http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1556230https://security.gentoo.org/glsa/201908-12https://www.mozilla.org/security/advisories/mfsa2019-21/
2019-07-23
Published