fb303-core

GHSA-7q2p-c7wj-xcxp

Malicious code in fb303-core (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.0.1`

## Source: kam193 (9a6664f0567b6f568f8f0bef7c03491fd489eda5cf011851346f4c5e8b2a8aea)
Research packages targeting typosquatting and dependency confusions, without really harmful behaviour - just calling home through DNS resolver. 

Related to 2025-06-stubsout (using the same remote domain), but without dangerous activity


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Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.


Campaign: 2025-06-diar-ai-basic


Reasons (based on the campaign):


 - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.


 - typosquatting

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/fb303-core/MAL-2025-191725.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/fb303-core
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/fb303-core/MAL-2025-191725.json
- https://github.com/advisories/GHSA-7q2p-c7wj-xcxp

Compromised versions (1)

= 0.0.1

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.