mal-2025-191847
Vulnerability from ossf_malicious_packages
Published
2025-04-25 16:08
Modified
2025-12-31 02:45
Summary
Malicious code in pytzv (PyPI)
Details

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

Source: kam193 (bc7b0a2cddf6ee0cc4d688f4136758e0d7aaa99707aa5dd82505d84631d77720)

Importing the module starts exfiltration of ".session" files, which appear to be used at least by one Telegram library (https://docs.telethon.dev/en/stable/concepts/sessions.html#what-are-sessions) to store credentials


Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-04-qtpv

Reasons (based on the campaign):

  • files-exfiltration

  • target:telegram


{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pytzv"
      },
      "versions": [
        "0.2.0",
        "0.1.0",
        "0.4.0",
        "0.3.0"
      ]
    }
  ],
  "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"
    }
  ],
  "database_specific": {
    "malicious-packages-origins": [
      {
        "id": "pypi/2025-04-qtpv/pytzv",
        "import_time": "2025-12-02T22:30:55.509059948Z",
        "modified_time": "2025-04-25T16:08:50Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "a09605c70fc554bf6db8ef1e12c7138cf9c4f22d69aad1ac9d4ee3bd3e2256f1",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-04-qtpv/pytzv",
        "import_time": "2025-12-02T23:07:18.534857025Z",
        "modified_time": "2025-04-25T16:08:50Z",
        "ranges": [
          {
            "events": [
              {
                "introduced": "0"
              }
            ],
            "type": "ECOSYSTEM"
          }
        ],
        "sha256": "bc7b0a2cddf6ee0cc4d688f4136758e0d7aaa99707aa5dd82505d84631d77720",
        "source": "kam193"
      },
      {
        "id": "pypi/2025-04-qtpv/pytzv",
        "import_time": "2025-12-10T21:38:57.754336581Z",
        "modified_time": "2025-04-25T16:08:50Z",
        "sha256": "bd273a905ee98fba13687445bc779f84d0def3a34ca038f604a0918411b82fe8",
        "source": "kam193",
        "versions": [
          "0.2.0",
          "0.1.0",
          "0.4.0",
          "0.3.0"
        ]
      },
      {
        "id": "pypi/2025-04-qtpv/pytzv",
        "import_time": "2025-12-30T22:39:04.149853214Z",
        "modified_time": "2025-04-25T16:08:50Z",
        "sha256": "84bc9d390bea11a9eb19e17ef172857b48cd1ae77f8901fbf49083bf7f627487",
        "source": "kam193",
        "versions": [
          "0.1.0",
          "0.2.0",
          "0.3.0",
          "0.4.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (bc7b0a2cddf6ee0cc4d688f4136758e0d7aaa99707aa5dd82505d84631d77720)\nImporting the module starts exfiltration of \".session\" files, which appear to be used at least by one Telegram library (https://docs.telethon.dev/en/stable/concepts/sessions.html#what-are-sessions) to store credentials\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-04-qtpv\n\n\nReasons (based on the campaign):\n\n\n - files-exfiltration\n\n\n - target:telegram\n",
  "id": "MAL-2025-191847",
  "modified": "2025-12-31T02:45:15Z",
  "published": "2025-04-25T16:08:50Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/pytzv"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in pytzv (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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