WithSecure Client Security Fuzz File Type denial of service

Summaryinfo

A vulnerability categorized as problematic has been discovered in WithSecure Client Security, Server Security, Email and Server Security, Elements Endpoint Protection, Client Security for Mac, Elements Endpoint Protection for Mac, Linux Security and Linux Protection. Affected is an unknown function of the component Fuzz File Type Handler. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2023-47264. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability 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 and Linux Protection and classified as problematic. This vulnerability affects an unknown functionality of the component Fuzz File Type Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Certain WithSecure products have a buffer over-read whereby processing certain fuzz file types may cause a denial of service (DoS). 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.

The weakness was released 11/16/2023. The advisory is shared for download at withsecure.com. This vulnerability was named CVE-2023-47264 since 11/05/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-51395). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• WithSecure

Name

• 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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Once again VulDB remains the best source for vulnerability data.

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