Versa Director up to 22.1.3 PostgreSQL improper authentication

Summaryinfo

A vulnerability was found in Versa Director up to 22.1.3. It has been rated as critical. Affected is an unknown function of the component PostgreSQL. This manipulation causes improper authentication. The identification of this vulnerability is CVE-2024-42450. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as very critical was found in Versa Director up to 22.1.3. Affected by this vulnerability is an unknown function of the component PostgreSQL. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Versa Director uses PostgreSQL (Postgres) to store operational and configuration data. It is also needed for High Availability function of the Versa Director. The default configuration has a common password across all instances of Versa Director. By default, Versa Director configures Postgres to listen on all network interfaces. This combination allows an unauthenticated attacker to access and administer the database or read local filesystem contents to escalate privileges on the system. Exploitation Status: Versa Networks is not aware of this exploitation in any production systems. A proof of concept exists in the lab environment. Workarounds or Mitigation: Starting with the latest 22.1.4 version of Versa Director, the software will automatically restrict access to the Postgres and HA ports to only the local and peer Versa Directors. For older releases, Versa recommends performing manual hardening of HA ports. Please refer to the following link for the steps https://docs.versa-networks.com/Solutions/System_Hardening/Perform_Manual_Hardening_for_Versa_Director#Secure_HA_Ports This vulnerability is not exploitable on Versa Directors if published Firewall guidelines are implemented. We have validated that no Versa-hosted head ends have been affected by this vulnerability. All Versa-hosted head ends are patched and hardened. Please contact Versa Technical Support or Versa account team for any further assistance. Software Download Links: 22.1.4: https://support.versa-networks.com/support/solutions/articles/23000026708-release-22-1-4

The advisory is shared at security-portal.versa-networks.com. This vulnerability is known as CVE-2024-42450 since 08/02/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/19/2024).

Upgrading to version 22.1.4 eliminates this vulnerability.

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Productinfo

Vendor

• Versa

Name

• Director

Version

• 22.1.0
• 22.1.1
• 22.1.2
• 22.1.3

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