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Advisories

python-utcp before 1.1.4 SSRF via unvalidated HTTP redirects

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severity
high
date
Affecting

  • python-utcp >= 0, < 1.1.4

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
8.4
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N
Credit
lexdotdev
Description
python-utcp versions before 1.1.4 contain a server-side request forgery vulnerability in HttpCommunicationProtocol.call_tool that validates the initial tool URL but follows HTTP redirects without re-validating the target. Attackers controlling a tool endpoint can return a 302 redirect to internal services, allowing the UTCP client to reach cloud metadata endpoints or internal HTTP services and return their response bodies to the caller.

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