CVE-2021-40834 User interface Spoofing in F-Secure SAFE browser for Android
Remote attackers can spoof the user interface by hiding browser controls via full-screen mode, misleading users about the current page context.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-40834?
CVE-2021-40834 is a medium-severity vulnerability in F-Secure Mobile Security, published on 10 Dec 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A user interface overlay vulnerability was discovered in F-secure SAFE Browser for Android. When user click on a specially crafted seemingly legitimate URL SAFE browser goes into full screen and hides the user interface. A remote attacker can leverage this to perform spoofing attack.
Weakness: CWE-1021
Which versions are affected by CVE-2021-40834?
It affects 1 product.
Products include F-Secure Safe.
How do I fix CVE-2021-40834?
No fix has been published for CVE-2021-40834 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-40834 being exploited?
There is no known exploitation of CVE-2021-40834 in the wild and no public exploit code.
Other vulnerabilities in F-Secure Mobile Security
- CVE-2020-14977 Race condition in n/a
- CVE-2020-14978 Privilege escalation in n/a
- CVE-2022-38164 Security feature bypass in n/a
- CVE-2021-44748 Universal Cross-Site Scripting Vulnerability in F-Secure SAFE Browser for Android
- CVE-2021-44749 Universal Cross-Site Scripting Vulnerability in F-Secure SAFE Browser Protection for Android
Sources
Also known as GHSA-39jf-9gqp-rjmj.