Versions of terriajs-serverprior to 2.7.4 are vulnerable to Server-Side Request Forgery (SSRF). If an attacker has access to a server whitelisted by the terriajs-server proxy or if the attacker is able to modify the DNS records of a domain whitelisted by the terriajs-server proxy, the attacker can use the terriajs-server proxy to access any HTTP-accessible resources that are accessible to the server, including private resources in the hosting environment.

Recommendation

Upgrade to version 2.7.4 or later.

References

• TerriaJS/terriajs-server@3cbc484
• https://medium.com/terria/security-vulnerability-in-terriajs-server-82c8bf4da0a5
• https://www.npmjs.com/advisories/768