Input validation error in Apache HTTP Server - CVE-2024-38473

Vulnerability identifier: #VU93540

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-38473

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: Public exploit is available

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to insufficient validation of user-supplied input when handling incorrect encoding in mod_proxy. A remote attacker can force the web server to pass request URLs with incorrect encoding to backend services.

Apache HTTP Server
HP-UX Apache Web Server
IBM HTTP Server
Gentoo Linux
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
Debian Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
IBM i
Anolis OS
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Ubuntu
Slackware Linux
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
Basesystem Module
Server Applications Module
SUSE Package Hub 15
openSUSE Leap
openEuler
Fedora
CyberSense OS
IBM Business Automation Workflow
EasyApache
IBM Cloud Object Storage Systems
IBM Tivoli Monitoring
IBM Rational Build Forge
IBM Power Hardware Management Console (HMC)
EMC NetWorker Server
IBM Cloud Pak System
Traffix SDC
IBM Cloud Pak for Multicloud Management
Red Hat OpenShift Container Platform
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
jbcs-httpd24-mod_proxy_cluster (Red Hat package)
mod_http2
jbcs-httpd24-mod_http2 (Red Hat package)
mod_md
apache2 (Ubuntu package)
jbcs-httpd24-mod_md (Red Hat package)
mod_ldap
mod_ssl
httpd-filesystem
httpd-manual
httpd
httpd-devel
mod_session
mod_proxy_html
httpd-tools
apache2-prefork-debuginfo
apache2-utils-debuginfo
apache2-example-pages
apache2
apache2-worker-debuginfo
apache2-worker
apache2-utils
apache2-prefork
apache2-devel
apache2-debugsource
apache2-debuginfo
apache2-doc
apache2-tls13-worker
apache2-tls13-utils-debuginfo
apache2-tls13
apache2-tls13-example-pages
apache2-tls13-doc
apache2-tls13-utils
apache2-tls13-prefork-debuginfo
apache2-tls13-prefork
apache2-tls13-worker-debuginfo
apache2-tls13-devel
apache2-tls13-debuginfo
apache2-tls13-debugsource
apache2-event
apache2-event-debuginfo
httpd (Red Hat package)
jbcs-httpd24-httpd (Red Hat package)
httpd-help
httpd-debugsource
httpd-debuginfo
apache2-prefork-debugsource
apache2-worker-debugsource
apache2-utils-debugsource
apache2-event-debugsource
apache2-manual
apache2 (Debian package)
www-servers/apache
httpd-core
mod_lua
httpd-doc
jbcs-httpd24-mod_security (Red Hat package)
BIG-IP
SecurityCenter
DataPower Operations Dashboard
Dell EMC OpenManage Enterprise Modular
IBM Aspera Console
IBM Cloud Pak for Watson AIOps
NetWorker Management Console (NMC)
Planning Analytics Local
JBoss Core Services

Install updates from vendor's website.

Apache HTTP Server - update to 2.4.60
IBM Cloud Pak System - update to 2.3.6.0
EasyApache - update to 4 2024-7-10
SecurityCenter - update to SC-202408.1
DataPower Operations Dashboard - update to 1.0.22.0
jbcs-httpd24-mod_proxy_cluster (Red Hat package) - addressed in versions 1.3.20-8.el7jbcs, 1.3.20-8.el8jbcs
CyberSense OS - update to 1.5.0-47
mod_http2 - update to 1.15.7-10
jbcs-httpd24-mod_http2 (Red Hat package) - addressed in versions 1.15.19-41.el7jbcs, 1.15.19-41.el8jbcs
Planning Analytics Local - addressed in versions 2.0.0.99, 2.1.6
mod_md - update to 2.0.8-8
IBM Cloud Pak for Multicloud Management - update to 2.3 FP11
apache2 (Ubuntu package) - addressed in versions 2.4.7-1ubuntu4.22+esm12, 2.4.18-2ubuntu3.17+esm17, 2.4.29-1ubuntu4.27+esm7, 2.4.29-1ubuntu4.27+esm8, 2.4.41-4ubuntu3.19, 2.4.41-4ubuntu3.20, 2.4.41-4ubuntu3.23+esm3, 2.4.52-1ubuntu4.10, 2.4.52-1ubuntu4.11, 2.4.57-2ubuntu2.5, 2.4.58-1ubuntu8.2, 2.4.58-1ubuntu8.3
jbcs-httpd24-mod_md (Red Hat package) - addressed in versions 2.4.24-11.el7jbcs, 2.4.24-11.el8jbcs
mod_ldap - addressed in versions 2.4.37-65.0.1, 2.4.62-1
mod_ssl - addressed in versions 2.4.37-65.0.1, 2.4.62-1
httpd-filesystem - addressed in versions 2.4.37-65.0.1, 2.4.62-1
httpd-manual - addressed in versions 2.4.37-65.0.1, 2.4.62-1
httpd - addressed in versions 2.4.37-65.0.1, 2.4.62-1
httpd-devel - addressed in versions 2.4.37-65.0.1, 2.4.62-1
mod_session - addressed in versions 2.4.37-65.0.1, 2.4.62-1
mod_proxy_html - addressed in versions 2.4.37-65.0.1, 2.4.62-1
httpd-tools - addressed in versions 2.4.37-65.0.1, 2.4.62-1
apache2-prefork-debuginfo - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-utils-debuginfo - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-example-pages - addressed in versions 2.4.51-35.57.1, 2.4.51-150400.6.34.1, 2.4.66-150400.6.57.1
apache2 - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-worker-debuginfo - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-worker - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-utils - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-prefork - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-devel - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-debugsource - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-debuginfo - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-doc - addressed in versions 2.4.51-35.57.1, 2.4.51-150200.3.73.1, 2.4.51-150400.6.34.1, 2.4.66-150400.6.57.1
apache2-tls13-worker - update to 2.4.51-35.57.2
apache2-tls13-utils-debuginfo - update to 2.4.51-35.57.2
apache2-tls13 - update to 2.4.51-35.57.2
apache2-tls13-example-pages - update to 2.4.51-35.57.2
apache2-tls13-doc - update to 2.4.51-35.57.2
apache2-tls13-utils - update to 2.4.51-35.57.2
apache2-tls13-prefork-debuginfo - update to 2.4.51-35.57.2
apache2-tls13-prefork - update to 2.4.51-35.57.2
apache2-tls13-worker-debuginfo - update to 2.4.51-35.57.2
apache2-tls13-devel - update to 2.4.51-35.57.2
apache2-tls13-debuginfo - update to 2.4.51-35.57.2
apache2-tls13-debugsource - update to 2.4.51-35.57.2
apache2-event - addressed in versions 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
apache2-event-debuginfo - addressed in versions 2.4.51-150400.6.34.1, 2.4.58-150600.5.23.1, 2.4.66-150400.6.57.1
httpd (Red Hat package) - addressed in versions 2.4.53-11.el9_2.10, 2.4.57-11.el9_4
JBoss Core Services - update to 2.4.57 SP5
jbcs-httpd24-httpd (Red Hat package) - addressed in versions 2.4.57-13.el7jbcs, 2.4.57-13.el8jbcs
httpd-help - update to 2.4.58-6
httpd-filesystem - update to 2.4.58-6
mod_ssl - update to 2.4.58-6
mod_session - update to 2.4.58-6
mod_proxy_html - update to 2.4.58-6
mod_md - update to 2.4.58-6
mod_ldap - update to 2.4.58-6
httpd-tools - update to 2.4.58-6
httpd-devel - update to 2.4.58-6
httpd-debugsource - update to 2.4.58-6
httpd-debuginfo - update to 2.4.58-6
httpd - update to 2.4.58-6
apache2-prefork-debugsource - update to 2.4.58-150600.5.23.1
apache2-worker-debugsource - update to 2.4.58-150600.5.23.1
apache2-utils-debugsource - update to 2.4.58-150600.5.23.1
apache2-event-debugsource - update to 2.4.58-150600.5.23.1
apache2-manual - update to 2.4.58-150600.5.23.1
httpd - update to 2.4.60
httpd - addressed in versions 2.4.61-1.fc39, 2.4.61-1.fc40
apache2 (Debian package) - addressed in versions 2.4.61-1~deb11u1, 2.4.61-1~deb12u1
HP-UX Apache Web Server - update to 2.4.62.00
www-servers/apache - update to 2.4.62
httpd-core - update to 2.4.62-1
mod_lua - update to 2.4.62-1
httpd-doc - update to 2.4.62-1
jbcs-httpd24-mod_security (Red Hat package) - addressed in versions 2.9.3-40.el7jbcs, 2.9.3-40.el8jbcs
Dell EMC OpenManage Enterprise Modular - update to 2.20.10
IBM Aspera Console - update to 3.4.5
IBM Cloud Object Storage Systems - addressed in versions 3.18.0.75, 3.18.4.45
IBM Cloud Pak for Watson AIOps - update to 4.7.0
Red Hat OpenShift Container Platform - addressed in versions 4.12.63, 4.13.48, 4.14.35, 4.15.28, 4.16.7
IBM Tivoli Monitoring - update to 6.3.0.7 Plus Service Pack 5
IBM Rational Build Forge - update to 8.0.0.27
IBM HTTP Server - addressed in versions 8.5.5.27, 9.0.5.21
IBM Power Hardware Management Console (HMC) - addressed in versions 10.2.1040.0 SP3, 10.3.1060.0 SP1
NetWorker Management Console (NMC) - update to 19.10.0.5
EMC NetWorker Server - update to 19.10.0.5

• Exploit #10460 - CVE-2024-38473-Nuclei-Template (August 30, 2024)
• Exploit #10349 - CVE-2024-38473 (August 9, 2024)

• https://lists.apache.org/thread/mcvg3lvl7jb8j539mmzxdg1fvn2nnnq8

• Multiple vulnerabilities in Apache HTTP Server
• Slackware Linux update for httpd
• Fedora 39 update for httpd
• Fedora 40 update for httpd
• Ubuntu update for apache2
• Ubuntu update for apache2
• Debian update for apache2
• Red Hat Enterprise Linux 8 update for the httpd:2.4 module
• Red Hat Enterprise Linux 9 update for httpd
• Red Hat Enterprise Linux 9 update for httpd
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.16
• Multiple vulnerabilities in Tenable Security Center
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.12
• Multiple vulnerabilities in IBM HTTP Server
• Multiple vulnerabilities in IBM Business Automation Workflow
• SUSE update for apache2
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.14
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.15
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.13
• SUSE update for apache2
• Multiple vulnerabilities in Red Hat JBoss Core Services Apache HTTP Server 2.4
• Multiple vulnerabilities in Red Hat JBoss Core Services for RHEL 7 and 8
• openEuler update for httpd
• Multiple vulnerabilities in IBM Tivoli Monitoring
• SUSE update for apache2
• SUSE update for apache2
• Multiple vulnerabilities in IBM Cloud Object System
• Authentication bypass in F5 Traffix SDC Apache HTTPD
• Multiple vulnerabilities in F5 BIG-IP Apache HTTPD component
• Multiple vulnerabilities in F5 Traffix SDC Apache HTTPD component
• Gentoo update for Apache HTTPD
• Multiple vulnerabilities in IBM Aspera Console
• Multiple vulnerabilities in IBM Rational Build Forge
• Multiple vulnerabilities in cPanel EasyApache
• IBM DataPower Operations Dashboard update for Apache HTTP Server
• Multiple vulnerabilities in Dell CyberSense OS
• Multiple vulnerabilities in Dell NetWorker And NetWorker Management Console
• Multiple vulnerabilities in IBM i
• Multiple vulnerabilities in IBM Planning Analytics
• IBM Power Hardware Management Console (HMC) update for Apache HTTP Server
• Multiple vulnerabilities in Dell OpenManage Enterprise Modular
• Multiple vulnerabilities in HPE HP-UX Apache Web Server
• Multiple vulnerabilities in IBM Cloud Pak for AIOps
• Anolis OS update for httpd:2.4 module
• Anolis OS update for httpd
• Multiple vulnerabilities in IBM Cloud Pak for Multicloud Management
• Multiple vulnerabilities in IBM Cloud Pak System
• Ubuntu update for apache2
• Ubuntu update for apache2
• SUSE update for apache2