CVE-2019-3778 in Oracle and Pivotal Software Products
Published on March 7, 2019

Open Redirect in spring-security-oauth2

Spring Security OAuth, versions 2.3 prior to 2.3.5, and 2.2 prior to 2.2.4, and 2.1 prior to 2.1.4, and 2.0 prior to 2.0.17, and older unsupported versions could be susceptible to an open redirector attack that can leak an authorization code. A malicious user or attacker can craft a request to the authorization endpoint using the authorization code grant type, and specify a manipulated redirection URI via the "redirect_uri" parameter. This can cause the authorization server to redirect the resource owner user-agent to a URI under the control of the attacker with the leaked authorization code. This vulnerability exposes applications that meet all of the following requirements: Act in the role of an Authorization Server (e.g. @EnableAuthorizationServer) and uses the DefaultRedirectResolver in the AuthorizationEndpoint. This vulnerability does not expose applications that: Act in the role of an Authorization Server and uses a different RedirectResolver implementation other than DefaultRedirectResolver, act in the role of a Resource Server only (e.g. @EnableResourceServer), act in the role of a Client only (e.g. @EnableOAuthClient).

NVD

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-2019-3778 has been classified to as an Open Redirect vulnerability or weakness.

Products Associated with CVE-2019-3778

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Oracle Banking Corporate Lending

Pivotal Software Spring Security Oauth

Affected Versions

Spring Security OAuth:

Version 2.3 and below 2.3.5.RELEASE is affected.
Version 2.0 and below 2.0.17.RELEASE is affected.
Version 2.1 and below 2.1.4.RELEASE is affected.
Version 2.2 and below 2.2.4.RELEASE is affected.

Exploit Probability

EPSS

14.85%

Percentile

94.39%