Insufficient UI Warning of Dangerous Operations in firefox (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-26953 |
| CWE-ID | N/A |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
firefox (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Insufficient UI Warning of Dangerous Operations
EUVDB-ID: #VU48461
Risk: Medium
CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2020-26953
CWE-ID: N/A
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to the way under certain conditions Firefox enters the fullscreen mode without displaying UI notification. A remote attacker can perform a phishing attack.
Install update from vendor's website.
Vulnerable software versionsfirefox (Alpine package): 77.0-r0 - 79.0-r1
CPE2.3- cpe:2.3:a:alpine:firefox_alpine_package:77.0-r0:*:*:*:*:alpine_linux:*:3.12
- cpe:2.3:a:alpine:firefox_alpine_package:77.0.1-r0:*:*:*:*:alpine_linux:*:3.12
- cpe:2.3:a:alpine:firefox_alpine_package:77.0.1-r1:*:*:*:*:alpine_linux:*:3.12
https://git.alpinelinux.org/aports/commit/?id=13a8f0d1284680f721e935cc6d3cb2649cf25093
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
