PYSEC-2022-42998

Vulnerability from pysec - Published: 2022-12-06 20:15 - Updated: 2023-05-04 04:29
VLAI?
Details

A directory traversal vulnerability in the SevenZipFile.extractall() function of the python library py7zr v0.20.0 and earlier allows attackers to write arbitrary files via extracting a crafted 7z file.

Impacted products
Name purl
py7zr pkg:pypi/py7zr
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "py7zr",
        "purl": "pkg:pypi/py7zr"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1bb43f17515c7f69673a1c88ab9cc72a7bbef406"
            }
          ],
          "repo": "https://github.com/miurahr/py7zr",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.20.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.3",
        "0.0.4",
        "0.0.5",
        "0.0.6",
        "0.0.7",
        "0.0.8",
        "0.1.0",
        "0.1.1",
        "0.1.2",
        "0.1.3",
        "0.1.4",
        "0.1.5",
        "0.1.6",
        "0.10.0",
        "0.10.0a1",
        "0.10.0a2",
        "0.10.0a3",
        "0.10.0a4",
        "0.10.0a5",
        "0.10.0a6",
        "0.10.0b1",
        "0.10.0b3",
        "0.10.1",
        "0.10.2",
        "0.11.0",
        "0.11.0a1",
        "0.11.0b1",
        "0.11.0b2",
        "0.11.0b3",
        "0.11.1",
        "0.11.2",
        "0.11.3",
        "0.12.0",
        "0.13.0",
        "0.13.1",
        "0.14.0",
        "0.14.1",
        "0.15.0",
        "0.15.1",
        "0.15.2",
        "0.16.0",
        "0.16.1",
        "0.16.2",
        "0.16.3",
        "0.16.4",
        "0.17.0",
        "0.17.1",
        "0.17.2",
        "0.17.3",
        "0.17.4",
        "0.18.0",
        "0.18.1",
        "0.18.10",
        "0.18.11",
        "0.18.12",
        "0.18.3",
        "0.18.4",
        "0.18.5",
        "0.18.6",
        "0.18.7",
        "0.18.9",
        "0.19.0",
        "0.19.1",
        "0.19.2",
        "0.2.0",
        "0.20.0",
        "0.3",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.4",
        "0.4.1",
        "0.4.3",
        "0.4.4",
        "0.4a1",
        "0.4a2",
        "0.4b1",
        "0.5",
        "0.5.2",
        "0.5.3",
        "0.5.4",
        "0.5.5",
        "0.5a3",
        "0.5a4",
        "0.5b1",
        "0.5b2",
        "0.5b3",
        "0.5b4",
        "0.5b5",
        "0.5b6",
        "0.5rc2",
        "0.5rc3",
        "0.6",
        "0.6a1",
        "0.6a2",
        "0.6b1",
        "0.6b2",
        "0.6b3",
        "0.6b4",
        "0.6b5",
        "0.6b6",
        "0.6b7",
        "0.6b8",
        "0.6rc0",
        "0.7.0",
        "0.7.0b1",
        "0.7.0b2",
        "0.7.0b3",
        "0.7.1",
        "0.7.2",
        "0.7.3",
        "0.7.4",
        "0.8.0",
        "0.8.0a1",
        "0.8.0a2",
        "0.8.0a3",
        "0.8.0b1",
        "0.8.0b2",
        "0.8.0b3",
        "0.8.0b4",
        "0.8.0b5",
        "0.8.0b6",
        "0.8.0b7",
        "0.8.0b8",
        "0.8.1",
        "0.8.2",
        "0.8.3",
        "0.8.4",
        "0.8.5",
        "0.9.0",
        "0.9.0a1",
        "0.9.0a2",
        "0.9.0b1",
        "0.9.0b2",
        "0.9.0b3",
        "0.9.1",
        "0.9.10",
        "0.9.2",
        "0.9.3",
        "0.9.4",
        "0.9.5",
        "0.9.7",
        "0.9.8",
        "0.9.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2022-44900"
  ],
  "details": "A directory traversal vulnerability in the SevenZipFile.extractall() function of the python library py7zr v0.20.0 and earlier allows attackers to write arbitrary files via extracting a crafted 7z file.",
  "id": "PYSEC-2022-42998",
  "modified": "2023-05-04T04:29:28.497759Z",
  "published": "2022-12-06T20:15:00Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406"
    },
    {
      "type": "EVIDENCE",
      "url": "http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html"
    },
    {
      "type": "EVIDENCE",
      "url": "https://lessonsec.com/cve/cve-2022-44900/"
    },
    {
      "type": "WEB",
      "url": "https://lessonsec.com/cve/cve-2022-44900/"
    }
  ]
}


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  • 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 patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.