mal-2025-41777
Vulnerability from ossf_malicious_packages
Published
2025-07-21 20:28
Modified
2025-12-11 09:27
Summary
Malicious code in testpackageroietest4 (PyPI)
Details

-= Per source details. Do not edit below this line.=-

Source: kam193 (8513ccd29444557d2b772e8c39dcbac59fc00b022d9119643a3b8dc9906585b1)

Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.


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-standard-pypi-install-pentest

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.


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "testpackageroietest4",
        "purl": "pkg:pypi/testpackageroietest4"
      },
      "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": "ANALYST"
    },
    {
      "contact": [
        "https://www.reversinglabs.com"
      ],
      "name": "ReversingLabs",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "RLMA-2025-04275",
        "import_time": "2025-08-29T06:41:55.255279179Z",
        "modified_time": "2025-08-28T07:12:05Z",
        "sha256": "e71672a098b2fa703ef68f3591fdd9014a2770f03230fabf96642c22939d96df",
        "source": "reversing-labs",
        "versions": [
          "0.1.0"
        ]
      },
      {
        "id": "pypi/GENERIC-standard-pypi-install-pentest/testpackageroietest4",
        "import_time": "2025-12-02T22:30:56.446601333Z",
        "modified_time": "2025-07-21T20:28:51.469133Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "2bbb2f5facb643eeb097b472758aefaf1b8e864aa972a8878dcbc4dbde0dc173",
        "source": "kam193"
      },
      {
        "id": "pypi/GENERIC-standard-pypi-install-pentest/testpackageroietest4",
        "import_time": "2025-12-02T23:07:19.63096164Z",
        "modified_time": "2025-07-21T20:28:51.469133Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "8513ccd29444557d2b772e8c39dcbac59fc00b022d9119643a3b8dc9906585b1",
        "source": "kam193"
      },
      {
        "id": "pypi/GENERIC-standard-pypi-install-pentest/testpackageroietest4",
        "import_time": "2025-12-10T21:38:58.735106827Z",
        "modified_time": "2025-07-21T20:28:51.469133Z",
        "sha256": "047368051fe20f32440ec0f9c6277b9c815919a9e8fb079f9994f14439ab088f",
        "source": "kam193",
        "versions": [
          "0.1.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (8513ccd29444557d2b772e8c39dcbac59fc00b022d9119643a3b8dc9906585b1)\nInstalling the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.\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-standard-pypi-install-pentest\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",
  "id": "MAL-2025-41777",
  "modified": "2025-12-11T09:27:54Z",
  "published": "2025-07-21T20:28:51Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/testpackageroietest4"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in testpackageroietest4 (PyPI)"
}


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Sightings

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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.
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  • 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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