mal-2025-6451
Vulnerability from ossf_malicious_packages
Published
2025-06-07 14:05
Modified
2025-12-11 09:27
Summary
Malicious code in atlasctf-21-prod-14 (PyPI)
Details

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

Source: kam193 (53e97c9ccd81536ef4d3b1aacb14600cc31b01f8bf00b53326458e485459c7e4)

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.


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "atlasctf-21-prod-14",
        "purl": "pkg:pypi/atlasctf-21-prod-14"
      },
      "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-2025-03536",
        "import_time": "2025-08-01T10:07:09.491528838Z",
        "modified_time": "2025-07-31T19:14:12Z",
        "sha256": "08484ef55244dfc0e8499050f80cfea599f72ab755f6334004419d23904951e1",
        "source": "reversing-labs",
        "versions": [
          "99.99.99",
          "99.99.99.1"
        ]
      },
      {
        "id": "pypi/2025-06-atlasctf/atlasctf-21-prod-14",
        "import_time": "2025-12-02T22:30:55.855165272Z",
        "modified_time": "2025-06-07T14:05:45Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "779c18f6509f8a3f15dd03b0e4308d5a64d18c58e418a7d9b90cc367b847505a",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-06-atlasctf/atlasctf-21-prod-14",
        "import_time": "2025-12-02T23:07:19.037284086Z",
        "modified_time": "2025-06-07T14:05:45Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "53e97c9ccd81536ef4d3b1aacb14600cc31b01f8bf00b53326458e485459c7e4",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-06-atlasctf/atlasctf-21-prod-14",
        "import_time": "2025-12-10T21:38:58.180146128Z",
        "modified_time": "2025-06-07T14:05:45Z",
        "sha256": "fdcdced848c89d4dda58e867b7f535db4e05826c2623b137a7e4509dfd7ee592",
        "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 (53e97c9ccd81536ef4d3b1aacb14600cc31b01f8bf00b53326458e485459c7e4)\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-2025-6451",
  "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-14"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in atlasctf-21-prod-14 (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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