mal-2023-8764
Vulnerability from ossf_malicious_packages
-= Per source details. Do not edit below this line.=-
Source: kam193 (1d763da65172935a20c3b03c65deff16a2eb251d857d1fc34e4cc67b72f7610a)
Packages either test the malicious behaviour, or actually download and run a simple remote script during the installation.
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: 2023-12-valuent
Reasons (based on the campaign):
-
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.
-
Downloads and executes a remote malicious script.
Source: ossf-package-analysis (9aa03155d8305b625aecdc1871776dc46f0c76e1fefd1a86c14b0198272f16a3)
The OpenSSF Package Analysis project identified 'excaliburx' @ 1.0.0 (pypi) as malicious.
It is considered malicious because:
-
The package communicates with a domain associated with malicious activity.
-
The package executes one or more commands associated with malicious behavior.
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "excaliburx"
},
"versions": [
"1.0.0"
]
}
],
"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://github.com/ossf/package-analysis",
"https://openssf.slack.com/channels/package_analysis"
],
"name": "OpenSSF: Package Analysis",
"type": "FINDER"
}
],
"database_specific": {
"malicious-packages-origins": [
{
"import_time": "2023-12-29T10:34:32.959849677Z",
"modified_time": "2023-12-25T21:15:41Z",
"sha256": "9aa03155d8305b625aecdc1871776dc46f0c76e1fefd1a86c14b0198272f16a3",
"source": "ossf-package-analysis",
"versions": [
"1.0.0"
]
},
{
"id": "pypi/2023-12-valuent/excaliburx",
"import_time": "2025-12-02T22:30:56.019624308Z",
"modified_time": "2024-11-30T09:03:27Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "f1df6c818b8b6a586372f7ef6d949bcbd76eb1891987a62eb0215895afda9317",
"source": "kam193"
},
{
"id": "pypi/2023-12-valuent/excaliburx",
"import_time": "2025-12-02T23:07:19.218290228Z",
"modified_time": "2024-11-30T09:03:27Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "1d763da65172935a20c3b03c65deff16a2eb251d857d1fc34e4cc67b72f7610a",
"source": "kam193"
},
{
"id": "pypi/2023-12-valuent/excaliburx",
"import_time": "2025-12-10T21:38:58.358846206Z",
"modified_time": "2024-11-30T09:03:27Z",
"sha256": "dec77b3ad72951b5f72861d3f8c18faeddb1aed08be453485f31d5af45afe5d7",
"source": "kam193",
"versions": [
"1.0.0"
]
}
]
},
"details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (1d763da65172935a20c3b03c65deff16a2eb251d857d1fc34e4cc67b72f7610a)\nPackages either test the malicious behaviour, or actually download and run a simple remote script during the installation.\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: 2023-12-valuent\n\n\nReasons (based on the campaign):\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\n\n - Downloads and executes a remote malicious script.\n\n## Source: ossf-package-analysis (9aa03155d8305b625aecdc1871776dc46f0c76e1fefd1a86c14b0198272f16a3)\nThe OpenSSF Package Analysis project identified \u0027excaliburx\u0027 @ 1.0.0 (pypi) as malicious.\n\nIt is considered malicious because:\n\n- The package communicates with a domain associated with malicious activity.\n\n- The package executes one or more commands associated with malicious behavior.\n",
"id": "MAL-2023-8764",
"modified": "2025-12-11T09:27:53Z",
"published": "2023-12-25T21:15:41Z",
"references": [
{
"type": "WEB",
"url": "https://bad-packages.kam193.eu/pypi/package/excaliburx"
}
],
"schema_version": "1.7.4",
"summary": "Malicious code in excaliburx (PyPI)"
}
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.