CVE-2023-25690
Assigner: apache
Published: 2023-03-07T15:09:03.080Z
State: PUBLISHED
affected: defaultStatus: unknown
product: Apache HTTP Server
vendor: Apache Software Foundation
versions: lessThanOrEqual: 2.4.55
status: affected
version: 2.4.0
versionType: semver
credits: type: finder
value: Lars Krapf of Adobe
descriptions: supportingMedia: base64: no
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
 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. 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.




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. For example, something like:




RewriteEngine on
RewriteRule "^/here/(.*)" "http://example.com:8080/elsewhere?$1"; [P]
ProxyPassReverse /here/ http://example.com:8080/


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.



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')
type: CWE
source: discovery: UNKNOWN
timeline: 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