Headline
CVE-2023-47263: CVE-2023-NNN4
Certain WithSecure products allow a Denial of Service (DoS) in the antivirus engine when scanning a fuzzed PE32 file. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, WithSecure Linux Security 64 12.0, WithSecure Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 15 and later.
A denial-of-service (DoS) vulnerability was discovered in WithSecure Atlant Product whereby Antivirus engine could crash while scanning a fuzzed PE32 file. The exploit can be triggered remotely by an attacker. A successful attack will result in denial-of-service (DoS) of the antivirus engine.
This issue was reported to WithSecure through the Vulnerability Reward Program. No known exploit or attack has been seen in the wild.
WithSecure would like to thank following person for bringing this issue to our attention.