CVE-2022-28871 Explained : Impact and Mitigation
Discover the impact and technical details of CVE-2022-28871, a Denial-of-Service vulnerability in F-Secure Atlant affecting multiple F-Secure products. Learn how to mitigate and prevent exploitation.
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant that affects various F-Secure products. It can be exploited remotely by an attacker, leading to a crash in the scanning engine.
Understanding CVE-2022-28871
This section will provide insights into the nature of the vulnerability and its impact.
What is CVE-2022-28871?
The vulnerability discovered in F-Secure Atlant allows attackers to trigger a Denial-of-Service (DoS) by consuming excessive memory while scanning large packages or fuzzed files.
The Impact of CVE-2022-28871
The impact of this vulnerability is rated as MEDIUM, with a CVSS base score of 4.3. It requires high privileges and user interaction, potentially causing a crash in the scanning engine.
Technical Details of CVE-2022-28871
In this section, we will delve into the technical aspects of the vulnerability.
Vulnerability Description
The fsicapd component in certain F-Secure products consumes excessive memory during scanning, leading to a potential DoS condition triggered remotely.
Affected Systems and Versions
All versions of F-Secure Endpoint Protection products on Windows and Mac, F-Secure Linux Security, F-Secure Atlant, F-Secure Internet Gatekeeper, and F-Secure Cloud Protection for Salesforce are affected.
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by crafting specific packages or files that trigger memory consumption, eventually crashing the scanning engine.
Mitigation and Prevention
This section covers the necessary steps to mitigate and prevent exploitation of CVE-2022-28871.
Immediate Steps to Take
No user action is required, as the fix has been automatically deployed through the HydraLinux update 2022-04-12_01.
Long-Term Security Practices
Implementing regular security updates and patches is crucial to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories from F-Secure and ensure timely application of patches to safeguard systems from potential attacks.