Advisories

Fider before 0.38.0 SSRF via DNS rebinding in webhook validation

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severity
low
date
Affecting
  • fider >= 0, < 0.38.0

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
2.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Credit
George Chen
Description
Fider before 0.38.0 contains a server-side request forgery vulnerability due to a time-of-check time-of-use gap in URL validation for webhooks and custom OAuth provider endpoints. Administrators controlling DNS can perform DNS rebinding attacks to make the Fider server send requests to internal services or cloud metadata endpoints.

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