Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 68.0 |
| Opensuse | Leap | 15.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlMailing ListThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1256009ExploitIssue TrackingVendor Advisory
- https://security.gentoo.org/glsa/201908-12Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlMailing ListThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1256009ExploitIssue TrackingVendor Advisory
- https://security.gentoo.org/glsa/201908-12Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
FAQ
What is CVE-2019-11721?
CVE-2019-11721 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 confusi...
How severe is CVE-2019-11721?
CVE-2019-11721 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-11721?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Opensuse Leap.