CVE-2022-28882 : Vulnerability Insights and Analysis

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products, leading to a scanning engine crash due to aegen.dll unpacking PE files.

Understanding CVE-2022-28882

This vulnerability affects various F-Secure and WithSecure Endpoint Protection products for Windows, Mac, Linux, and other solutions, potentially allowing remote attackers to trigger a DoS attack.

What is CVE-2022-28882?

The vulnerability in F-Secure & WithSecure products can be exploited remotely by attackers to trigger a scanning engine crash, impacting the availability of affected systems.

The Impact of CVE-2022-28882

With a CVSS base score of 4.3, this medium-severity vulnerability requires high privileges to exploit, but an attacker can cause the scanning engine to crash, leading to a DoS condition.

Technical Details of CVE-2022-28882

Vulnerability Description

The vulnerability arises from aegen.dll going into an infinite loop while unpacking PE files, eventually causing a scanning engine crash.

Affected Systems and Versions

All versions of F-Secure and WithSecure Endpoint Protection products for Windows, Mac, Linux, various solutions are impacted by this vulnerability.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by triggering the scanning engine crash through certain types of file unpacking.

Mitigation and Prevention

Immediate Steps to Take

No user action is required as the fix has been automatically distributed through an update channel with Capricorn database on 2022-08-10.

Long-Term Security Practices

Ensure systems are regularly updated with the latest security patches and follow best practices to mitigate the risk of potential DoS attacks.

Patching and Updates

Stay informed about security advisories from F-Secure & WithSecure and apply patches promptly to prevent exploitation of vulnerabilities.