mal-2025-191666
Vulnerability from ossf_malicious_packages
Published
2025-10-20 11:58
Modified
2025-12-03 00:04
Summary
Malicious code in yelp-pkg (PyPI)
Details
-= Per source details. Do not edit below this line.=-
Source: kam193 (fdea5ca17bb09234a292159e525a2a38ac3fd43760c6f2184aa27f563f320075)
During import, the package attempts to exfiltrate potentially sensitive data.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: GENERIC-questionable-pentest
Reasons (based on the campaign):
-
exfiltration-env-variables
-
exfiltration-generic
-
The package overrides the install command in setup.py to execute malicious code during installation.
-
typosquatting
Credits
ReversingLabs
www.reversinglabs.com
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "yelp-pkg",
"purl": "pkg:pypi/yelp-pkg"
},
"versions": [
"1337.0.0"
]
}
],
"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": "ANALYST"
},
{
"contact": [
"https://www.reversinglabs.com"
],
"name": "ReversingLabs",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"id": "RLMA-2025-05644",
"import_time": "2025-12-02T09:09:39.917652181Z",
"modified_time": "2025-12-01T12:55:12Z",
"sha256": "6c7a1648bff6faa98675b02278353e85594405df04fe9bbd92cf3f1151ce79e0",
"source": "reversing-labs",
"versions": [
"1337.0.0"
]
},
{
"id": "pypi/GENERIC-questionable-pentest/yelp-pkg",
"import_time": "2025-12-02T22:30:55.784788995Z",
"modified_time": "2025-10-20T11:58:32.224488Z",
"sha256": "70b3149ccd32bf7e90a06b289e8ea3363279bbe38f6047eb5427e04a12fc11d1",
"source": "kam193",
"versions": [
"1337.0.0"
]
},
{
"id": "pypi/GENERIC-questionable-pentest/yelp-pkg",
"import_time": "2025-12-02T23:07:18.827686702Z",
"modified_time": "2025-10-20T11:58:32.224488Z",
"sha256": "fdea5ca17bb09234a292159e525a2a38ac3fd43760c6f2184aa27f563f320075",
"source": "kam193",
"versions": [
"1337.0.0"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (fdea5ca17bb09234a292159e525a2a38ac3fd43760c6f2184aa27f563f320075)\nDuring import, the package attempts to exfiltrate potentially sensitive data.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: GENERIC-questionable-pentest\n\n\nReasons (based on the campaign):\n\n\n - exfiltration-env-variables\n\n\n - exfiltration-generic\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n\n\n - typosquatting\n",
"id": "MAL-2025-191666",
"modified": "2025-12-03T00:04:28Z",
"published": "2025-10-20T11:58:32Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/yelp-pkg"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in yelp-pkg (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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