MAL-2025-46961
Vulnerability from ossf_malicious_packages
Published
2025-09-01 09:52
Modified
2025-09-01 09:52
Summary
Malicious code in prose_diff (RubyGems)
Details

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

Source: ossf-package-analysis (1b4d01c12dfc0e3356a6e2613833c8afd50caee6c1cd2882fe4be1b84e182fdf)

The OpenSSF Package Analysis project identified 'prose_diff' @ 99.99.99 (rubygems) as malicious.

It is considered malicious because:

  • The package executes one or more commands associated with malicious behavior.
Credits
OpenSSF: Package Analysis github.com/ossf/package-analysis openssf.slack.com/channels/package_analysis
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "prose_diff"
      },
      "versions": [
        "99.99.99"
      ]
    }
  ],
  "credits": [
    {
      "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": "2025-09-08T04:38:18.895624709Z",
        "modified_time": "2025-09-01T09:52:59Z",
        "sha256": "1b4d01c12dfc0e3356a6e2613833c8afd50caee6c1cd2882fe4be1b84e182fdf",
        "source": "ossf-package-analysis",
        "versions": [
          "99.99.99"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: ossf-package-analysis (1b4d01c12dfc0e3356a6e2613833c8afd50caee6c1cd2882fe4be1b84e182fdf)\nThe OpenSSF Package Analysis project identified \u0027prose_diff\u0027 @ 99.99.99 (rubygems) as malicious.\n\nIt is considered malicious because:\n\n- The package executes one or more commands associated with malicious behavior.\n",
  "id": "MAL-2025-46961",
  "modified": "2025-09-01T09:52:59Z",
  "published": "2025-09-01T09:52:59Z",
  "schema_version": "1.5.0",
  "summary": "Malicious code in prose_diff (RubyGems)"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.