GHSA-6X44-W3XG-HQQF Coder: PKCS#7 signature bypass in Azure instance identity allows unauthenticated agent token theft

Summary azureidentity.Validate verifies that the PKCS7 signer certificate chains to a trusted Azure CA but never verifies the PKCS7 signature itself. An attacker can embed a legitimate Azure certificate alongside arbitrary content e.g. "vmId":"" and the forged vmId will be accepted returning the...

Coder: Unauthenticated SSRF via Azure Instance Identity Endpoint

Summary Unauthenticated semi-blind Server-Side Request Forgery SSRF via the Azure instance identity endpoint POST /api/v2/workspaceagents/azure-instance-identity. An external attacker can force the Coder server to issue HTTP GET requests to arbitrary internal or external hosts by submitting a...