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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:
This vulnerability does not expose applications that:
RedirectResolverimplementation other than
Users of affected versions should apply the following mitigation:
There are no other mitigation steps necessary.
For users of Spring Boot 1.5.x and Spring IO Platform Cairo, it is highly recommended to override the spring-security-oauth version to the latest version containing the patch for the CVE. In order to override the version, you need to declare/set the property
Below are instructions for users of Spring Boot 1.5.x.
To override a property using Maven, declare the property in your pom’s
To override a property using Gradle, configure the value in your
ext['spring-security-oauth.version'] = '2.0.17.RELEASE'
NOTE: The same instructions apply for users of Spring IO Platform Cairo. However, the version to specify is 2.2.4.RELEASE.
This issue was identified and responsibly reported by Dirk Koehler (github.com/phrinx) from dotloop. Special thanks to Macchinetta Framework Development Team from NTT, NTT Comware, NTT DATA Corporation for helping to verify the solution and identifying additional ways to exploit the vulnerability.
The VMware Security Response team provides a single point of contact for the reporting of security vulnerabilities in VMware Tanzu products and coordinates the process of investigating any reported vulnerabilities.
To report a security vulnerability in a VMware service or product please refer to the VMware Security Response Policy.