CVE-2022-28884 : Exploit Details and Defense Strategies
Learn about CVE-2022-28884, a Denial-of-Service vulnerability impacting F-Secure and WithSecure products, requiring immediate action and long-term security practices.
A Denial-of-Service vulnerability in F-Secure and WithSecure products allows an attacker to crash the scanning engine, posing a moderate threat.
Understanding CVE-2022-28884
This CVE refers to a Denial-of-Service vulnerability in F-Secure and WithSecure products that could potentially crash the scanning engine when handling PE files.
What is CVE-2022-28884?
The CVE-2022-28884 vulnerability involves aerdl.dll going into an infinite loop during the unpacking of PE files, leading to a possible crash of the scanning engine.
The Impact of CVE-2022-28884
With a CVSS base score of 4.3, this medium-severity vulnerability requires high privileges for exploitation and user interaction, potentially causing low confidentiality, integrity, and availability impacts.
Technical Details of CVE-2022-28884
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability allows the aerdl.dll to enter an infinite loop when unpacking PE files, ultimately crashing the scanning engine.
Affected Systems and Versions
All F-Secure and WithSecure Endpoint Protection products for Windows and Mac running 32-bit OS, F-Secure Linux Security 32, F-Secure Atlant, F-Secure Internet Gatekeeper, WithSecure Cloud Protection for Salesforce, and WithSecure Collaboration Protection are affected.
Exploitation Mechanism
The vulnerability can be exploited by causing aerdl.dll to go into an infinite loop during PE file unpacking.
Mitigation and Prevention
Discover how to address and prevent the CVE-2022-28884 vulnerability.
Immediate Steps to Take
No user action is required as the necessary fix has been deployed through an automatic update channel with the Capricorn database since August 25, 2022.
Long-Term Security Practices
Implementing robust security measures and staying updated with security advisories are crucial to safeguard against such vulnerabilities.
Patching and Updates
Regularly apply security patches and updates provided by F-Secure and WithSecure to mitigate the risk of exploitation.