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pypi · Malicious package advisory

Malware

mcstring

GHSA-w27x-xjpc-2wc5

Malicious code in mcstring (PyPI)

Details

**Severity:** Critical

**Affected versions:** `> 0`

## Source: checkmarx (076a0e8e8fa8c6d5b6b8eb6eb5c321722e2a4f71bda03c9a43cdb5674d47f046)
EsqueleSquad group published nearly 6000 malicious PyPi and NPM packages, executing spyware and information-stealing malware

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/mcstring/MAL-2023-4747.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/mcstring/MAL-2023-4747.json
- https://medium.com/checkmarx-security/the-skeleton-squad-tracing-the-origins-and-scope-of-5000-malicious-packages-on-pypi-7516c16e4da9
- https://github.com/advisories/GHSA-w27x-xjpc-2wc5

Compromised versions (1)

  • > 0

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