javascan

GHSA-cmw2-6phf-7qxh

Malicious code in javascan (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1`

## Source: kam193 (3b87a6ab9caea125ba4a71189d6a1740668e44d637f7e7c2d4f85daaf4f54ed0)
During installation, a code is downloaded and executed. This remote script then attempts to exfiltrate environmental variables, SSH keys, Slack secrets etc.


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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2025-01-javascan


Reasons (based on the campaign):


 - Downloads and executes a remote malicious script.


 - files-exfiltration


 - exfiltration-ssh-keys


 - dependency-confusion


 - exfiltration-env-variables

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/javascan/MAL-2025-1978.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/javascan
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/javascan/MAL-2025-1978.json
- https://github.com/advisories/GHSA-cmw2-6phf-7qxh

Compromised versions (1)

= 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.