ghsa-cm5p-p299-9f4g
Vulnerability from github
Published
2022-09-13 00:00
Modified
2022-09-16 00:00
Details

In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2022-37797"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-09-12T15:15:00Z",
    "severity": "HIGH"
  },
  "details": "In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.",
  "id": "GHSA-cm5p-p299-9f4g",
  "modified": "2022-09-16T00:00:40Z",
  "published": "2022-09-13T00:00:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-37797"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00002.html"
    },
    {
      "type": "WEB",
      "url": "https://redmine.lighttpd.net/issues/3165"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202210-12"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5243"
    }
  ],
  "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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