critical
9.8
CWE
287
Advisory Published
Advisory Published
Updated

CVE-2023-37471: User impersonation using SAMLv1.x SSO in Open Access Management

First published: Thu Jul 20 2023(Updated: )

### Impact OpenAM up to version 14.7.2 does not properly validate the signature of SAML responses received as part of the SAMLv1.x Single Sign-On process. Attackers can use this fact to impersonate any OpenAM user, including the administrator, by sending a specially crafted SAML response to the SAMLPOSTProfileServlet servlet. ### Patches This problem has been patched in OpenAM 14.7.3-SNAPSHOT and later ### Workarounds One should comment servlet `SAMLPOSTProfileServlet` in web.xml or disable SAML in OpenAM ```xml <servlet> <description>SAMLPOSTProfileServlet</description> <servlet-name>SAMLPOSTProfileServlet</servlet-name> <servlet-class>com.sun.identity.saml.servlet.SAMLPOSTProfileServlet</servlet-class> </servlet> ... <servlet-mapping> <servlet-name>SAMLSOAPReceiver</servlet-name> <url-pattern>/SAMLSOAPReceiver</url-pattern> </servlet-mapping> ``` ### References #624

Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
maven/org.openidentityplatform.openam:openam-federation-library<14.7.3
14.7.3
OpenAM<14.7.3

Remedy

https://github.com/OpenIdentityPlatform/OpenAM/commit/7c18543d126e8a567b83bb4535631825aaa9d742

Remedy

https://github.com/OpenIdentityPlatform/OpenAM/pull/624

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-37471?

    CVE-2023-37471 is considered a critical vulnerability due to its potential for user impersonation.

  • How do I fix CVE-2023-37471?

    To fix CVE-2023-37471, upgrade OpenAM to version 14.7.3 or later.

  • What is affected by CVE-2023-37471?

    CVE-2023-37471 affects OpenAM versions up to 14.7.2.

  • Who can be impacted by CVE-2023-37471?

    Any user of OpenAM, including administrators, can be impacted by CVE-2023-37471.

  • What type of attack does CVE-2023-37471 enable?

    CVE-2023-37471 enables attackers to impersonate OpenAM users through crafted SAML responses.

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