CVE-2023-25690

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For example, something like:</div><div><br></div><div>RewriteEngine on<br>RewriteRule \"^/here/(.*)\" \"http://example.com:8080/elsewhere?$1\"; [P]<br>ProxyPassReverse /here/ http://example.com:8080/</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. Users are recommended to update to at least version 2.4.56 of Apache HTTP Server.<br></div>"}], "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. 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Users are recommended to update to at least version 2.4.56 of Apache HTTP Server."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-444", "description": "CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2024-01-02T16:06:10.239Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://httpd.apache.org/security/vulnerabilities_24.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00028.html"}, {"url": "https://security.gentoo.org/glsa/202309-01"}, {"url": "http://packetstormsecurity.com/files/176334/Apache-2.4.55-mod_proxy-HTTP-Request-Smuggling.html"}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2023-02-02T02:01:00.000Z", "value": "reported"}], "title": "Apache HTTP Server: HTTP request splitting with mod_rewrite and mod_proxy", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T11:25:19.361Z"}, "title": "CVE Program Container", "references": [{"tags": ["vendor-advisory", "x_transferred"], "url": "https://httpd.apache.org/security/vulnerabilities_24.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00028.html", "tags": ["x_transferred"]}, {"url": "https://security.gentoo.org/glsa/202309-01", "tags": ["x_transferred"]}, {"url": "http://packetstormsecurity.com/files/176334/Apache-2.4.55-mod_proxy-HTTP-Request-Smuggling.html", "tags": ["x_transferred"]}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-12-18T15:37:02.907036Z", "id": "CVE-2023-25690", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-18T15:37:41.866Z"}}]}}

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For example, something like:\n\n\n\n\nRewriteEngine on\nRewriteRule \"^/here/(.*)\" \"http://example.com:8080/elsewhere?$1\"; [P]\nProxyPassReverse /here/ 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. Users are recommended to update to at least version 2.4.56 of Apache HTTP Server.", "supportingMedia": [{"type": "text/html", "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. 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For example, something like:\nRewriteEngine on\nRewriteRule \"^/here/(.*)\" \"http://example.com:8080/elsewhere?$1\"; [P]\nProxyPassReverse /here/ http://example.com:8080/\nRequest splitting/smuggling could result in bypass of access controls in the proxy server, proxying unintended URLs to existing origin servers, and cache poisoning. Users are recommended to update to at least version 2.4.56 of Apache HTTP Server.", "A vulnerability was found in httpd. This security issue occurs when some mod_proxy configurations on Apache HTTP Server allow an HTTP Request Smuggling attack. Configurations are affected when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch in which a non-specific pattern matches some portion of the user-supplied request-target (URL) data and is then re-inserted into the proxied request-target using variable substitution."], "name": "CVE-2023-25690", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Out of support scope", "package_name": "httpd22", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}], "public_date": "2023-03-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-25690\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-25690\nhttps://httpd.apache.org/security/vulnerabilities_24.html"], "threat_severity": "Important"}

{}