CVE-2023-6055 Improper Certificate Validation in Bitdefender Total Security HTTPS Scanning (VA-11158)

High 8.6 Published 18 Oct 2024 Updated 18 Oct 2024

Attackers can perform Man-in-the-Middle attacks by exploiting improper certificate validation in HTTPS scanning, allowing interception and alteration of user communications.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-6055?

CVE-2023-6055 is a high-severity vulnerability in Bitdefender Total Security, published on 18 Oct 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability has been identified in Bitdefender Total Security HTTPS scanning functionality where the software fails to properly validate website certificates. Specifically, if a site certificate lacks the "Server Authentication" specification in the Extended Key Usage extension, the product does not verify the certificate's compliance with the site, deeming such certificates as valid. This flaw could allow an attacker to perform a Man-in-the-Middle (MITM) attack, intercepting and potentially altering communications between the user and the website.

Weakness: CWE-295

Which versions are affected by CVE-2023-6055?

It affects 1 product.

Products include Bitdefender Total Security.

How do I fix CVE-2023-6055?

No fix has been published for CVE-2023-6055 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-6055 being exploited?

There is no known exploitation of CVE-2023-6055 in the wild and no public exploit code.

Sources

Also known as GHSA-xh6r-vr44-6r8x.