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Advisories

Coder 2.38.0 before 2.38.4 Authorization Bypass via External Agent Credentials Endpoint

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Severity
high
Date
Affecting

  • coder >= 2.38.0, < 2.38.4

  • coder >= 2.37.0, < 2.37.8

  • coder >= 2.36.0, < 2.36.11

  • coder >= 2.30.0, < 2.34.16

  • coder >= 2.26.0, < 2.29.24

  • coder >= 2.35.0, < 2.36.0

CWE
  • CWE-863 Incorrect Authorization
CVSS
8.5
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
Habib0x0
Description
Coder 2.26.0 before 2.29.24, 2.30.0 before 2.34.16, 2.35.0 before 2.36.11, 2.37.0 before 2.37.8, and 2.38.0 before 2.38.4 contains an improper authorization flaw in the external agent credentials endpoint, which returns the workspace agent token to users with only workspace read access rather than ssh permission. Authenticated users with roles such as Template Admin or Organization Admin can use the token to read the owner's private Git SSH key and Git provider OAuth tokens, and impersonate the agent to receive the owner's sessions.

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