ghsa-x2hm-ghg4-c67m
Vulnerability from github
Published
2023-02-28 21:30
Modified
2023-03-10 06:30
Details

GNU libmicrohttpd before 0.9.76 allows remote DoS (Denial of Service) due to improper parsing of a multipart/form-data boundary in the postprocessor.c MHD_create_post_processor() method. This allows an attacker to remotely send a malicious HTTP POST packet that includes one or more '\0' bytes in a multipart/form-data boundary field, which - assuming a specific heap layout - will result in an out-of-bounds read and a crash in the find_boundary() function.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2023-27371"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-02-28T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "GNU libmicrohttpd before 0.9.76 allows remote DoS (Denial of Service) due to improper parsing of a multipart/form-data boundary in the postprocessor.c MHD_create_post_processor() method. This allows an attacker to remotely send a malicious HTTP POST packet that includes one or more \u0027\\0\u0027 bytes in a multipart/form-data boundary field, which - assuming a specific heap layout - will result in an out-of-bounds read and a crash in the find_boundary() function.",
  "id": "GHSA-x2hm-ghg4-c67m",
  "modified": "2023-03-10T06:30:21Z",
  "published": "2023-02-28T21:30:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-27371"
    },
    {
      "type": "WEB",
      "url": "https://git.gnunet.org/libmicrohttpd.git/commit/?id=6d6846e20bfdf4b3eb1b592c97520a532f724238"
    },
    {
      "type": "WEB",
      "url": "https://github.com/0xhebi/CVEs/tree/main/GNU%20Libmicrohttpd"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00029.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnu.org/archive/html/libmicrohttpd/2023-02/msg00000.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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