CVE-2021-33599: Denial-of-Service (DoS) Vulnerability
First published: Tue Sep 07 2021(Updated: )
A vulnerability affecting F-Secure Antivirus engine was discovered whereby scanning WIM archive file can lead to denial-of-service (infinite loop and freezes AV engine scanner). The vulnerability can be exploit remotely by an attacker. A successful attack will result in Denial-of-Service of the Anti-Virus engine.
Credit: cve-notifications-us@f-secure.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F-Secure Atlant | ||
| F-secure Cloud Protection For Salesforce | ||
| F-Secure Linux Security | ||
| F-secure Elements Endpoint Protection | ||
| Apple macOS | ||
| Microsoft Windows |
Remedy
FIX No User action is required. The required fix has been published through automatic update channel with Capricorn update 2021-08-25_04
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Reference Links
Frequently Asked Questions
What is CVE-2021-33599?
CVE-2021-33599 is a vulnerability affecting F-Secure Antivirus engine whereby scanning a WIM archive file can lead to denial-of-service (infinite loop and freezes AV engine scanner).
How can CVE-2021-33599 be exploited?
CVE-2021-33599 can be exploited remotely by an attacker.
What is the severity of CVE-2021-33599?
CVE-2021-33599 has a severity rating of 5.5 (medium).
Which software is affected by CVE-2021-33599?
F-Secure Atlant, F-Secure Cloud Protection For Salesforce, F-Secure Linux Security, and F-Secure Elements Endpoint Protection are affected by CVE-2021-33599.
How do I fix CVE-2021-33599?
Update your F-Secure antivirus software to the latest version available to address CVE-2021-33599.
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