GHSA-4mh8-9wq6-rjxg
OpenAM vulnerable to user impersonation using SAMLv1.x SSO process
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Maven | org.openidentityplatform.openam:openam-federation-library | < 14.7.3 | 14.7.3 |
Details
As written in the advisory (Markdown source, shown as plain text).
### 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
References
External links from the advisory. They lead to third-party sites.
- https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-4mh8-9wq6-rjxg
- https://nvd.nist.gov/vuln/detail/CVE-2023-37471
- https://github.com/OpenIdentityPlatform/OpenAM/pull/624
- https://github.com/OpenIdentityPlatform/OpenAM/commit/7c18543d126e8a567b83bb4535631825aaa9d742
- https://github.com/OpenIdentityPlatform/OpenAM