cbcvebase.
CVE-2024-31223
published 2024-07-03

CVE-2024-31223: Fides is an open-source privacy engineering platform, and `SERVER_SIDE_FIDES_API_URL` is a server-side configuration environment variable used by the Fides…

PriorityP180medium5.3CVSS 3.1
AVNACLPRNUINSUCLINAN
ITWEXPLOITVulnCheck KEV
Exploited in the wild
EPSS
1.11%
61.9th percentile
Fides is an open-source privacy engineering platform, and `SERVER_SIDE_FIDES_API_URL` is a server-side configuration environment variable used by the Fides Privacy Center to communicate with the Fides webserver backend. The value of this variable is a URL which typically includes a private IP address, private domain name, and/or port. A vulnerability present starting in version 2.19.0 and prior to version 2.39.2rc0 allows an unauthenticated attacker to make a HTTP GET request from the Privacy Center that discloses the value of this server-side URL. This could result in disclosure of server-side configuration giving an attacker information on server-side ports, private IP addresses, and/or private domain names. The vulnerability has been patched in Fides version 2.39.2rc0. No known workarounds are available.

Affected

2 ranges
VendorProductVersion rangeFixed in
ethycafides
ethycafides>= 2.19.0 < 2.39.22.39.2

Detection & IOCsextracted from sources · hover to see the quote

otherSERVER_SIDE_FIDES_API_URL
yara
regex: '"SERVER_SIDE_FIDES_API_URL":"(.+?)"'
  • Send an unauthenticated HTTP GET request to the root path of the Fides Privacy Center. A vulnerable instance will return HTTP 200 with the string 'SERVER_SIDE_FIDES_API_URL' in the response body, disclosing the server-side API URL.
  • Use the Shodan dork `html:"SERVER_SIDE_FIDES_API_URL"` to identify internet-exposed Fides Privacy Center instances potentially vulnerable to this information disclosure.
  • Extract the disclosed server-side URL from the response body using the regex pattern `"SERVER_SIDE_FIDES_API_URL":"(.+?)"` — the captured group contains the private IP/domain/port configuration.
  • No authentication is required to trigger the disclosure; any HTTP GET to the Privacy Center root is sufficient. Monitor web server access logs for unauthenticated GET requests to '/' that return 200 on Fides Privacy Center instances.
  • ·The vulnerability only affects Fides Privacy Center deployments running versions 2.19.0 up to (but not including) 2.39.2rc0. Instances outside this version range are not affected.
  • ·The disclosed value is the `SERVER_SIDE_FIDES_API_URL` environment variable, which may contain private IP addresses, private domain names, and/or non-standard ports — all of which are server-side configuration details not intended for public exposure.
  • ·No known workarounds exist; the only remediation is upgrading to Fides version 2.39.2rc0 or later.

CVSS provenance

nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vulncheck5.3MEDIUM
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