mal-2025-191894
Vulnerability from ossf_malicious_packages
Published
2025-11-23 21:05
Modified
2025-12-24 10:09
Summary
Malicious code in testingpkgja (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (0bd692e8fc46a3f43477d1f095e7c6e2b9666d2d2c60655ac91efd2be07f5193)
Package downloads and starts an external executable. The executable starts the Windows calculator application. Considering this and the package description, this is a test of potentially malicious behaviour.
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: GENERIC-simple-tests
Reasons (based on the campaign):
- The package overrides the install command in setup.py to execute malicious code during installation.
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "testingpkgja"
},
"versions": [
"0.1.0"
]
}
],
"credits": [
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)"
},
{
"contact": [
"https://github.com/kam193",
"https://bad-packages.kam193.eu/"
],
"name": "Kamil Ma\u0144kowski (kam193)",
"type": "REPORTER"
},
{
"contact": [
"https://www.reversinglabs.com"
],
"name": "ReversingLabs",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"id": "pypi/GENERIC-simple-tests/testingpkgja",
"import_time": "2025-12-02T22:30:56.442545112Z",
"modified_time": "2025-11-23T21:05:33.70336Z",
"sha256": "fca3e86fc2c86900f0d6417b3ea497f3fae95579011b0e12b07722b87f1fe972",
"source": "kam193",
"versions": [
"0.1.0"
]
},
{
"id": "pypi/GENERIC-simple-tests/testingpkgja",
"import_time": "2025-12-02T23:07:19.627025918Z",
"modified_time": "2025-11-23T21:05:33.70336Z",
"sha256": "0bd692e8fc46a3f43477d1f095e7c6e2b9666d2d2c60655ac91efd2be07f5193",
"source": "kam193",
"versions": [
"0.1.0"
]
},
{
"id": "RLMA-2025-06596",
"import_time": "2025-12-24T10:07:31.509780225Z",
"modified_time": "2025-12-23T08:39:56Z",
"sha256": "df29cb02799d2e544ca550e855c0357955523f16afe29890425d9199562984d5",
"source": "reversing-labs",
"versions": [
"0.1.0"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (0bd692e8fc46a3f43477d1f095e7c6e2b9666d2d2c60655ac91efd2be07f5193)\nPackage downloads and starts an external executable. The executable starts the Windows calculator application. Considering this and the package description, this is a test of potentially malicious behaviour.\n\n\n---\n\nCategory: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research \u0026 co, with clearly low-harm possibilities.\n\n\nCampaign: GENERIC-simple-tests\n\n\nReasons (based on the campaign):\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n",
"id": "MAL-2025-191894",
"modified": "2025-12-24T10:09:32Z",
"published": "2025-11-23T21:05:33Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/testingpkgja"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in testingpkgja (PyPI)"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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