{
  "schema_version": "1.4.0",
  "id": "GHSA-hwhj-rr4w-2xmm",
  "modified": "2022-05-14T00:56:21Z",
  "published": "2022-05-14T00:56:21Z",
  "aliases": [
    "CVE-2018-1000027"
  ],
  "details": "The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000027"
    },
    {
      "type": "WEB",
      "url": "https://github.com/squid-cache/squid/pull/129/files"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/02/msg00001.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/02/msg00002.html"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3557-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4059-2"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4122"
    },
    {
      "type": "WEB",
      "url": "http://www.squid-cache.org/Advisories/SQUID-2018_2.txt"
    },
    {
      "type": "WEB",
      "url": "http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2018_2.patch"
    },
    {
      "type": "WEB",
      "url": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2018_2.patch"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-02-09T23:29:00Z"
  }
}