mal-2024-11729
Vulnerability from ossf_malicious_packages
Published
2024-07-26 16:53
Modified
2025-12-11 09:27
Summary
Malicious code in tomli-dzw (PyPI)
Details

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

Source: kam193 (83d4c8f45a091092f6ceb10a4cb2934e805ac096f6f1c983c49245b5f4d47ee1)

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": "tomli-dzw",
        "purl": "pkg:pypi/tomli-dzw"
      },
      "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": "REPORTER"
    },
    {
      "contact": [
        "https://www.reversinglabs.com"
      ],
      "name": "ReversingLabs",
      "type": "FINDER"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "RLMA-2024-11188",
        "import_time": "2024-12-09T14:38:50.048103424Z",
        "modified_time": "2024-12-09T06:51:20Z",
        "sha256": "6f817131e6545bfbdaa6cce0b6a4e0cb4a74e71df2c2e8856113be172ca992bb",
        "source": "reversing-labs",
        "versions": [
          "1.0.0"
        ]
      },
      {
        "id": "pypi/GENERIC-standard-pypi-install-pentest/tomli-dzw",
        "import_time": "2025-12-02T22:30:56.463108112Z",
        "modified_time": "2024-07-26T16:53:30Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "d3607336a1196264b6433b324e77707be40051d125299fc1cee2200e4b62bbb9",
        "source": "kam193"
      },
      {
        "id": "pypi/GENERIC-standard-pypi-install-pentest/tomli-dzw",
        "import_time": "2025-12-02T23:07:19.647079659Z",
        "modified_time": "2024-07-26T16:53:30Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "83d4c8f45a091092f6ceb10a4cb2934e805ac096f6f1c983c49245b5f4d47ee1",
        "source": "kam193"
      },
      {
        "id": "pypi/GENERIC-standard-pypi-install-pentest/tomli-dzw",
        "import_time": "2025-12-10T21:38:58.747020204Z",
        "modified_time": "2024-07-26T16:53:30Z",
        "sha256": "89db6f974f1dbda7bc088185e2e6e5729d5e4bf6bbf82fee860218dc9ceb30ca",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (83d4c8f45a091092f6ceb10a4cb2934e805ac096f6f1c983c49245b5f4d47ee1)\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-2024-11729",
  "modified": "2025-12-11T09:27:54Z",
  "published": "2024-07-26T16:53:30Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/tomli-dzw"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in tomli-dzw (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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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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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