CVE-2022-36760

Apache HTTP Server: mod_proxy_ajp Possible request smuggling

Severity Score

9.0

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.54 and prior versions.

A flaw was found in the mod_proxy_ajp module of httpd. The connection is not closed when there is an invalid Transfer-Encoding header, allowing an attacker to smuggle requests to the AJP server, where it forwards requests.

Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products and packaged under Red Hat JBoss Core Services, to allow for faster distribution of updates and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.57 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.51 Service Pack 2, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include HTTP response splitting, bypass, integer overflow, out of bounds write, and use-after-free vulnerabilities.

*Credits: ZeddYu_Lu from Qi'anxin Research Institute of Legendsec at Qi'anxin Group

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2022-07-25 CVE Reserved
2023-01-17 CVE Published
2025-04-04 CVE Updated
2025-07-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

CAPEC

References (4)

URL	Tag	Source
https://security.gentoo.org/glsa/202309-01

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://httpd.apache.org/security/vulnerabilities_24.html	2023-09-08
https://access.redhat.com/security/cve/CVE-2022-36760	2023-08-15
https://bugzilla.redhat.com/show_bug.cgi?id=2161777	2023-08-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Http Server Search vendor "Apache" for product "Http Server"				>= 2.4.0 < 2.4.55 Search vendor "Apache" for product "Http Server" and version " >= 2.4.0 < 2.4.55"		-		Affected