SB2021081317 - Multiple vulnerabilities in F-Secure SAFE Browser
Published: August 13, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Spoofing attack (CVE-ID: CVE-2021-33595)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can trick a victim to click on a specially crafted URL and spoof page content.
2) Spoofing attack (CVE-ID: CVE-2021-33594)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can trick a victim to click on a specially crafted URL and spoof page content. and performa a dneialof service conriion on the targe system.
3) Improper Restriction of Rendered UI Layers or Frames (CVE-ID: CVE-2021-33596)
The vulnerability allows a remot attacker to compromise the target system.
The vulnerability exists due to showing the legitimate URL in the address bar while loading the content from other domain. A remote authenticated attacker can trick a victim to click on a specially crafted URL and make the user believe that the content is served by a legit domain .
Remediation
Install update from vendor's website.
References
- https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33595
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33594
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596