ownCloud vulnerability can be used to extract admin passwords

ownCloud has warned users about three critical security flaws in its file-sharing software which, if exploited, could reveal sensitive information and modify files. An especially and potentially impactful one is a vulnerability that could lead to disclosure of sensitive credentials and...

CVE-2023-49104

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...

CVE-2023-49104

CVE-2023-49104 affects ownCloud’s OAuth2 component (versions before 0.6.1) where enabling “Allow Subdomains” lets an attacker craft a redirect-url that bypasses validation, enabling callbacks to a top‑level domain controlled by the attacker. Documents consistently state the impact as redirection ...