Nextcloud User OIDC App Open Redirect Vulnerability
CVE-2024-52512 Published on November 15, 2024
Nextcloud User OIDC has an open redirection when logging in with User OIDC
user_oidc app is an OpenID Connect user backend for Nextcloud. A malicious user could send a malformed login link that would redirect the user to a provided URL after successfully authenticating. It is recommended that the Nextcloud User OIDC app is upgraded to 6.1.0.
Vulnerability Analysis
CVE-2024-52512 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Open Redirect Vulnerability?
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. An http parameter may contain a URL value and could cause the web application to redirect the request to the specified URL. By modifying the URL value to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials. Because the server name in the modified link is identical to the original site, phishing attempts have a more trustworthy appearance.
CVE-2024-52512 has been classified to as an Open Redirect vulnerability or weakness.
Products Associated with CVE-2024-52512
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Affected Versions
nextcloud security-advisories Version >= 6.0.0, < 6.1.0 is affected by CVE-2024-52512Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.