CVE-2019-11721
published 2019-07-23CVE-2019-11721: The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as…
PriorityP427medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
EPSS
1.39%
69.0th percentile
The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as punycode text, allowing for user confusion. 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
nvdv3.16.5MEDIUMCVSS: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
osv9.8CRITICAL
vendor_ubuntu9.8CRITICAL
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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GHSA
GHSA-c59w-3gff-7wp9: The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar
ghsa_unreviewed·2022-05-24
CVE-2019-11721 [MEDIUM] GHSA-c59w-3gff-7wp9: The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar
The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as punycode text, allowing for user confusion. 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-2019-11721: The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar
osv·2019-07-11·CVSS 6.5
CVE-2019-11721 [MEDIUM] CVE-2019-11721: The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar
The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as punycode text, allowing for user confusion. This vulnerability affects Firefox < 68.
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: Domain spoofing through unicode latin 'kra' character
vendor_redhat·2019-07-09·CVSS 6.5
CVE-2019-11721 [MEDIUM] CWE-172 Mozilla: Domain spoofing through unicode latin 'kra' character
Mozilla: Domain spoofing through unicode latin 'kra' character
The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as punycode text, allowing for user confusion. 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-2019-11721: firefox - The unicode latin 'kra' character can be used to spoof a standard 'k' character ...
vendor_debian·2019·CVSS 6.5
CVE-2019-11721 [MEDIUM] CVE-2019-11721: firefox - The unicode latin 'kra' character can be used to spoof a standard 'k' character ...
The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as punycode text, allowing for user confusion. This vulnerability affects Firefox < 68.
Scope: local
sid: resolved (fixed in 68.0-1)
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=1256009https://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=1256009https://security.gentoo.org/glsa/201908-12https://www.mozilla.org/security/advisories/mfsa2019-21/
2019-07-23
Published