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CVE-2023-25690— Apache HTTP Server: HTTP request splitting with mod_rewrite and mod_proxy

EPSS 68.18% · P99
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I. Basic Information for CVE-2023-25690

Vulnerability Information
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Vulnerability Title
Apache HTTP Server: HTTP request splitting with mod_rewrite and mod_proxy
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache HTTP Server 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server 2.4.0版本至2.4.55版本存在环境问题漏洞，该漏洞源于某些mod_proxy配置允许HTTP请求走私攻击。攻击者利用该漏洞可以绕过代理服务器中的访问控制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

VendorProductAffected VersionsCPESubscribe
Apache Software FoundationApache HTTP Server 2.4.0 ~ 2.4.55 -

II. Public POCs for CVE-2023-25690

#POC DescriptionSource LinkShenlong Link
1Fix URL containing SPACES after Apache upgrade CVE-2023-25690https://github.com/tbachvarova/linux-apache-fix-mod_rewrite-spaceInURLPOC Details
2CVE 2023 25690 Proof of concept - mod_proxy vulnerable configuration on Apache HTTP Server versions 2.4.0 - 2.4.55 leads to HTTP Request Smuggling vulnerability.https://github.com/dhmosfunk/CVE-2023-25690-POCPOC Details
3Nonehttps://github.com/thanhlam-attt/CVE-2023-25690POC Details
4CVE 2023 25690 Proof of concept - mod_proxy vulnerable configuration on Apache HTTP Server versions 2.4.0 - 2.4.55 leads to HTTP Request Smuggling vulnerability.https://github.com/oOCyginXOo/CVE-2023-25690-POCPOC Details
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III. Intelligence Information for CVE-2023-25690

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IV. Related Vulnerabilities

Same product: Apache HTTP Server
Same vendor: Apache Software Foundation
Same weakness: CWE-444

V. Comments for CVE-2023-25690

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