Description
changedetection.io through 0.60.6 fails to validate the Goto URL action in browser steps, allowing unauthenticated attackers to access internal addresses. Attackers can supply arbitrary internal URLs in the optional_value parameter to retrieve responses from restricted network locations.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
dgtlmoon changedetection.io
Default version status: unaffected
0 to ≤ 0.60.6affected
References
- https://github.com/geo-chen/oss/blob/main/changedetection.io.md#finding-2-ssrf-via-browser-step-goto-url-action-bypasses-the-ssrf-guard-guard-only-applied-to-the-main-watch-url ↗
- https://github.com/dgtlmoon/changedetection.io/blob/0.60.6/changedetectionio/browser_steps/browser_steps.py#L182-L192 ↗
- https://github.com/dgtlmoon/changedetection.io ↗
- https://www.vulncheck.com/advisories/changedetection-io-through-0.60.6-ssrf-via-browser-step-goto-url ↗