Ubuntu.comUB:CVE-2019-11721CVE-2019-11721
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.006 Low
EPSS
Percentile
79.2%
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.
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | firefox | < 68.0+build3-0ubuntu0.18.04.1 | UNKNOWN |
| ubuntu | 18.10 | noarch | firefox | < 68.0+build3-0ubuntu0.18.10.1 | UNKNOWN |
| ubuntu | 19.04 | noarch | firefox | < 68.0+build3-0ubuntu0.19.04.1 | UNKNOWN |
| ubuntu | 19.10 | noarch | firefox | < 68.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 20.04 | noarch | firefox | < 68.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 20.10 | noarch | firefox | < 68.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 21.04 | noarch | firefox | < 68.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 21.10 | noarch | firefox | < 68.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 22.04 | noarch | firefox | < 68.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 22.10 | noarch | firefox | < 68.0+build3-0ubuntu1 | UNKNOWN |
Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.006 Low
EPSS
Percentile
79.2%