A vulnerability classified as problematic has been found in WithSecure Client Security, Server Security, Email and Server Security, Elements Endpoint Protection, Client Security for Mac, Elements Endpoint Protection for Mac, Linux Security, Linux Protection and Atlant. This affects an unknown function of the component Unpack Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Certain WithSecure products allow a Denial of Service because there is an unpack handler crash that can lead to a scanning engine crash. 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 1.0.35-1.

The weakness was released 11/27/2023. The advisory is shared at withsecure.com. This vulnerability is uniquely identified as CVE-2023-49322 since 11/26/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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• WithSecure

Name

• Atlant
• Client Security
• Client Security for Mac
• Elements Endpoint Protection
• Elements Endpoint Protection for Mac
• Email and Server Security
• Linux Protection
• Linux Security
• Server Security

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