ghsa-jm88-vr5q-23rj
Vulnerability from github
Published
2022-10-06 18:52
Modified
2022-10-08 00:00
Severity
Details

A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients. It is related to RDHUP mishandling in certain HTTP/1.1 chunked situations. Use of mod_fastcgi is, for example, affected. This is fixed in 1.4.67.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2022-41556"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-10-06T18:17:00Z",
    "severity": "HIGH"
  },
  "details": "A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients. It is related to RDHUP mishandling in certain HTTP/1.1 chunked situations. Use of mod_fastcgi is, for example, affected. This is fixed in 1.4.67.",
  "id": "GHSA-jm88-vr5q-23rj",
  "modified": "2022-10-08T00:00:20Z",
  "published": "2022-10-06T18:52:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-41556"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lighttpd/lighttpd1.4/pull/115"
    },
    {
      "type": "WEB",
      "url": "https://git.lighttpd.net/lighttpd/lighttpd1.4/commit/b18de6f9264f914f7bf493abd3b6059343548e50"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lighttpd/lighttpd1.4/compare/lighttpd-1.4.66...lighttpd-1.4.67"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OVOSBSCMLGCHH2Z74H64ZWVDFJFQTBC2"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202210-12"
    }
  ],
  "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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