Nextcloud Server/Enterprise Server up to 25.0.11/26.0.6/27.1.0 user_ldap App cleartext storage

Summaryinfo

A vulnerability, which was classified as problematic, was found in Nextcloud Server and Enterprise Server up to 25.0.11/26.0.6/27.1.0. Impacted is an unknown function of the component user_ldap App. Such manipulation leads to cleartext storage. This vulnerability is traded as CVE-2023-48305. An attack has to be approached locally. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Nextcloud Server and Enterprise Server up to 25.0.11/26.0.6/27.1.0 (Cloud Software). Affected by this issue is some unknown functionality of the component user_ldap App. The manipulation with an unknown input leads to a cleartext storage vulnerability. Using CWE to declare the problem leads to CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. Impacted is confidentiality. CVE summarizes:

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and Nextcloud Enterprise Server, when the log level was set to debug, the user_ldap app logged user passwords in plaintext into the log file. If the log file was then leaked or shared in any way the users' passwords would be leaked. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.11, 26.0.6, and 27.1.0 contain a patch for this issue. As a workaround, change config setting `loglevel` to `1` or higher (should always be higher than 1 in production environments).

The weakness was shared 11/22/2023 as 38461. The advisory is available at github.com. This vulnerability is handled as CVE-2023-48305 since 11/14/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1555 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Cloud Software

Vendor

• Nextcloud

Name

• Enterprise Server
• Server

Version

• 25.0.0
• 25.0.1
• 25.0.2
• 25.0.3
• 25.0.4
• 25.0.5
• 25.0.6
• 25.0.7
• 25.0.8
• 25.0.9
• 25.0.10
• 25.0.11
• 26.0.0
• 26.0.1
• 26.0.2
• 26.0.3
• 26.0.4
• 26.0.5
• 26.0.6
• 27.0
• 27.1.0

License

• open-source

Website

• Product: https://github.com/nextcloud/server/

CPE 2.3info

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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