mal-2025-6453
Vulnerability from ossf_malicious_packages
Published
2025-06-07 14:05
Modified
2025-12-11 09:27
Summary
Malicious code in atlasctf-21-prod-16 (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (57c6acfcb3c6bb659cac9b311e2cc25e72f3ab57d80e3403b70b7e05a2a06ed9)
On installation or importing, the package attempts to exfiltrate some basic information, e.g. /etc/passwd
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-atlasctf
Reasons (based on the campaign):
-
exfiltration-generic
-
The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.
-
The package overrides the install command in setup.py to execute malicious code during installation.
Credits
ReversingLabs
www.reversinglabs.com
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "atlasctf-21-prod-16",
"purl": "pkg:pypi/atlasctf-21-prod-16"
},
"versions": [
"99.99.99",
"99.99.99.1"
]
}
],
"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": "ANALYST"
},
{
"contact": [
"https://www.reversinglabs.com"
],
"name": "ReversingLabs",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"id": "RLMA-2025-03538",
"import_time": "2025-08-01T10:07:09.570376744Z",
"modified_time": "2025-07-31T19:14:13Z",
"sha256": "5b29bfc6e361bd5ae424d9b3b0ae26757a0fe30089eec8126764775a9b588e3b",
"source": "reversing-labs",
"versions": [
"99.99.99",
"99.99.99.1"
]
},
{
"id": "pypi/2025-06-atlasctf/atlasctf-21-prod-16",
"import_time": "2025-12-02T22:30:55.857307225Z",
"modified_time": "2025-06-07T14:05:45Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "a7d8358425455cb497d72b6abf91196967dac601763c7f54cb113c8cb18fe0dd",
"source": "kam193"
},
{
"id": "pypi/2025-06-atlasctf/atlasctf-21-prod-16",
"import_time": "2025-12-02T23:07:19.039462185Z",
"modified_time": "2025-06-07T14:05:45Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "57c6acfcb3c6bb659cac9b311e2cc25e72f3ab57d80e3403b70b7e05a2a06ed9",
"source": "kam193"
},
{
"id": "pypi/2025-06-atlasctf/atlasctf-21-prod-16",
"import_time": "2025-12-10T21:38:58.182103807Z",
"modified_time": "2025-06-07T14:05:45Z",
"sha256": "559d0b13a9920c3186c0a3bfe89171fc66133df85892cac538b6b08c66072fff",
"source": "kam193",
"versions": [
"99.99.99",
"99.99.99.1"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (57c6acfcb3c6bb659cac9b311e2cc25e72f3ab57d80e3403b70b7e05a2a06ed9)\nOn installation or importing, the package attempts to exfiltrate some basic information, e.g. /etc/passwd\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: 2025-06-atlasctf\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-generic\n\n\n - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n",
"id": "MAL-2025-6453",
"modified": "2025-12-11T09:27:52Z",
"published": "2025-06-07T14:05:45Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/atlasctf-21-prod-16"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in atlasctf-21-prod-16 (PyPI)"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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