Description

horde-python-client 99999.0.0 is a dependency-confusion lure. On import horde_python_client, a daemon thread unconditionally POSTs a JSON payload containing the host's hostname, the USER/USERNAME environment variable, and the current working directory to http://109.123.247.172/pypi over plain HTTP. The destination is a bare IP unrelated to any legitimate package publisher. The package ships with placeholder metadata (description "Internal package", author "Security Research") and an absurdly high version number (99999.0.0) — the canonical shape for overriding a target organization's private package of the same name in resolver precedence. Installer harm: any developer or build system that resolves this package and imports it leaks host identifiers to the attacker, confirming a successful dependency-confusion hit and enabling follow-on targeting.

Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.

Mitigation

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References