CVE-2023-49105 Information

Description

An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access modify or delete any file without authentication if the username of a victim is known and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no signing-key is configured for the owner of the files. The earliest affected version is 10.6.0.

Reference

https://owncloud.org/security https://owncloud.com/security-advisories/webdav-api-authentication-bypass-using-pre-signed-urls/ https://owncloud.com/security-advisories/webdav-api-authentication-bypass-using-pre-signed-urls/