CVE-2023-49104 Information

Description

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1 when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.

Reference

https://owncloud.org/security https://owncloud.com/security-advisories/subdomain-validation-bypass/ An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1 when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.