{
  "cveMetadata": {
    "cveId": "CVE-2023-25690",
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "serial": 1,
    "state": "PUBLISHED"
  },
  "CNA_private": {
    "emailed": null,
    "projecturl": "https://httpd.apache.org/",
    "owner": "httpd",
    "userslist": "users@httpd.apache.org",
    "state": "REVIEW",
    "todo": [],
    "type": "unsure"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "title": "HTTP request splitting with mod_rewrite and mod_proxy",
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')",
              "lang": "en",
              "cweId": "CWE-444",
              "type": "CWE"
            }
          ]
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache HTTP Server",
          "versions": [
            {
              "status": "affected",
              "version": "2.4.0",
              "lessThanOrEqual": "2.4.55",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unknown"
        }
      ],
      "descriptions": [
        {
          "value": "Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP Request Smuggling attack.\n\n\n\n\nConfigurations are affected when mod_proxy is enabled along with some form of RewriteRule\n or ProxyPassMatch in which a non-specific pattern matches\n some portion of the user-supplied request-target (URL) data and is then\n re-inserted into the proxied request-target using variable \nsubstitution. For example, something like:\n\n\n\n\nRewriteEngine on\nRewriteRule \"^/here/(.*)\" \" http://example.com:8080/elsewhere?$1\" http://example.com:8080/elsewhere ; [P]\nProxyPassReverse /here/  http://example.com:8080/ http://example.com:8080/ \n\n\nRequest splitting/smuggling could result in bypass of access controls in the proxy server, proxying unintended URLs to existing origin servers, and cache poisoning.\n\n\n\n",
          "lang": "en",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "<div>Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP Request Smuggling attack.</div><div><br></div><div><div>Configurations are affected when mod_proxy is enabled along with some form of RewriteRule\n or ProxyPassMatch in which a non-specific pattern matches\n some portion of the user-supplied request-target (URL) data and is then\n re-inserted into the proxied request-target using variable \nsubstitution. For example, something like:</div><div><br></div><div>RewriteEngine on<br>RewriteRule \"^/here/(.*)\" \"<a target=\"_blank\" rel=\"nofollow\" href=\"http://example.com:8080/elsewhere?$1&quot;\">http://example.com:8080/elsewhere?$1\"</a>; [P]<br>ProxyPassReverse /here/ <a target=\"_blank\" rel=\"nofollow\" href=\"http://example.com:8080/\">http://example.com:8080/</a></div><br>Request splitting/smuggling could result in bypass of access controls in the proxy server, proxying unintended URLs to existing origin servers, and cache poisoning.<br><br></div>"
            }
          ]
        }
      ],
      "references": [],
      "metrics": [
        {
          "other": {
            "type": "Textual description of severity",
            "content": {
              "text": "important"
            }
          }
        }
      ],
      "timeline": [
        {
          "time": "2023-02-02T06:01:00.000Z",
          "lang": "en",
          "value": "reported"
        },
        {
          "lang": "eng",
          "time": "2023-03-07",
          "value": "2.4.56 released"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Lars Krapf of Adobe",
          "type": "finder"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0"
}