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Advisories

Vanus 0.8.0 through 0.9.0 Missing Authorization in Gateway Streaming RPCs

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Severity
high
Date
Affecting

  • vanus >= 0.8.0, <= 0.9.0

CWE
  • CWE-862 Missing Authorization
CVSS
7.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
Credit
MJ DHURGESH
Description
Vanus 0.8.0 through 0.9.0 contains a missing authorization vulnerability in the gateway that allows any authenticated user to call Subscribe, Ack, and unregistered methods without permission checks. Attackers can supply another tenant's subscription ID to Subscribe to hijack it, read and acknowledge its events, starve the legitimate consumer, and enumerate cluster users via ListUser.

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