GHSA-VGVH-F7C3-RV4V

Vulnerability from github – Published: 2022-05-02 03:54 – Updated: 2022-05-02 03:54
VLAI
Details

Microsoft Internet Information Services (IIS), when used in conjunction with unspecified third-party upload applications, allows remote attackers to create empty files with arbitrary extensions via a filename containing an initial extension followed by a : (colon) and a safe extension, as demonstrated by an upload of a .asp:.jpg file that results in creation of an empty .asp file, related to support for the NTFS Alternate Data Streams (ADS) filename syntax. NOTE: it could be argued that this is a vulnerability in the third-party product, not IIS, because the third-party product should be applying its extension restrictions to the portion of the filename before the colon.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2009-4445"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2009-12-29T21:00:00Z",
    "severity": "MODERATE"
  },
  "details": "Microsoft Internet Information Services (IIS), when used in conjunction with unspecified third-party upload applications, allows remote attackers to create empty files with arbitrary extensions via a filename containing an initial extension followed by a : (colon) and a safe extension, as demonstrated by an upload of a .asp:.jpg file that results in creation of an empty .asp file, related to support for the NTFS Alternate Data Streams (ADS) filename syntax.  NOTE: it could be argued that this is a vulnerability in the third-party product, not IIS, because the third-party product should be applying its extension restrictions to the portion of the filename before the colon.",
  "id": "GHSA-vgvh-f7c3-rv4v",
  "modified": "2022-05-02T03:54:50Z",
  "published": "2022-05-02T03:54:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2009-4445"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55308"
    },
    {
      "type": "WEB",
      "url": "http://securitytracker.com/id?1023387"
    },
    {
      "type": "WEB",
      "url": "http://soroush.secproject.com/downloadable/iis-semicolon-report.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}



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