Zultys MX-SE/MX-SE II/MX-E/MX-Virtual/MX250/MX30 prior 16.04 Patch 16109/17.0.10 Patch 17161 Service Port 7505 improper authentication

Summaryinfo

A vulnerability has been found in Zultys MX-SE, MX-SE II, MX-E, MX-Virtual, MX250 and MX30 and classified as critical. This issue affects some unknown processing of the component Service Port 7505. The manipulation leads to improper authentication. This vulnerability is traded as CVE-2023-43742. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Zultys MX-SE, MX-SE II, MX-E, MX-Virtual, MX250 and MX30. It has been rated as critical. This issue affects an unknown part of the component Service Port 7505. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An authentication bypass in Zultys MX-SE, MX-SE II, MX-E, MX-Virtual, MX250, and MX30 with firmware versions prior to 17.0.10 patch 17161 and 16.04 patch 16109 allows an unauthenticated attacker to obtain an administrative session via a protection mechanism failure in the authentication function. In normal operation, the Zultys MX Administrator Windows client connects to port 7505 and attempts authentication, submitting the administrator username and password to the server. Upon authentication failure, the server sends a login failure message prompting the client to disconnect. However, if the client ignores the failure message instead and attempts to continue, the server does not forcibly close the connection and processes all subsequent requests from the client as if authentication had been successful.

The weakness was shared 12/08/2023 as ATREDIS-2023-0002. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-43742 since 09/22/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 16.04 Patch 16109 or 17.0.10 Patch 17161 eliminates this vulnerability.

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Productinfo

Vendor

• Zultys

Name

• MX-E
• MX-SE
• MX-SE II
• MX-Virtual
• MX30
• MX250

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