Summaryinfo

A vulnerability described as critical has been identified in Canonical Ubuntu Server up to 24.03. This affects an unknown function of the component LXD. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2023-5536. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is recommended. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability classified as critical was found in Canonical Ubuntu Server up to 24.03. This vulnerability affects an unknown code block of the component LXD. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A feature in LXD (LP#1829071), affects the default configuration of Ubuntu Server which allows privileged users in the lxd group to escalate their privilege to root without requiring a sudo password.

The weakness was published 12/12/2023 by Tobias Jäger. The advisory is shared for download at bugs.launchpad.net. This vulnerability was named CVE-2023-5536 since 10/11/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 24.04 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Canonical

Name

• Ubuntu Server

Version

• 24.03

License

• open-source

CPE 2.3info

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CPE 2.2info

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