CVE-2024-38473

Apache HTTP Server proxy encoding problem

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Encoding problem in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows request URLs with incorrect encoding to be sent to backend services, potentially bypassing authentication via crafted requests.
Users are recommended to upgrade to version 2.4.60, which fixes this issue.

El problema de codificación en mod_proxy en Apache HTTP Server 2.4.59 y versiones anteriores permite que las URL de solicitud con codificación incorrecta se envíen a servicios backend, lo que potencialmente evita la autenticación mediante solicitudes manipuladas. Se recomienda a los usuarios actualizar a la versión 2.4.60, que soluciona este problema.

A flaw was found in the mod_proxy module of httpd. Due to an encoding problem, specially crafted request URLs with incorrect encoding can be sent to backend services, potentially bypassing authentication.

*Credits: Orange Tsai (@orange_8361) from DEVCORE

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-06-17 CVE Reserved
2024-07-01 CVE Published
2024-08-02 First Exploit
2024-09-13 CVE Updated
2024-09-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-116: Improper Encoding or Escaping of Output

CAPEC

References (6)

URL	Tag	Source
https://security.netapp.com/advisory/ntap-20240712-0001

URL	Date	SRC
https://github.com/Abdurahmon3236/CVE-2024-38473	2024-08-02
https://github.com/juanschallibaum/CVE-2024-38473-Nuclei-Template	2024-08-23

URL	Date	SRC

URL	Date	SRC
https://httpd.apache.org/security/vulnerabilities_24.html	2024-07-12
https://access.redhat.com/security/cve/CVE-2024-38473	2024-08-13
https://bugzilla.redhat.com/show_bug.cgi?id=2295012	2024-08-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Software Foundation Search vendor "Apache Software Foundation"		Apache HTTP Server Search vendor "Apache Software Foundation" for product "Apache HTTP Server"				>= 2.4.0 <= 2.4.59 Search vendor "Apache Software Foundation" for product "Apache HTTP Server" and version " >= 2.4.0 <= 2.4.59"		en		Affected