HTTP response splitting in Apache HTTP Server - CVE-2022-37436

Vulnerability identifier: #VU71243

CSH Severity: Medium

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

CVE-ID: CVE-2022-37436

CWE-ID: CWE-113

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not correctly process CRLF character sequences within the mod_proxy module. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.

Apache HTTP Server
IBM HTTP Server
IBM Tivoli Monitoring
IBM Rational Build Forge
Oracle HTTP Server
IBM Power Hardware Management Console (HMC)
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
Debian Linux
Gentoo Linux
Amazon Linux AMI
QuTScloud
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
IBM i
Red Hat Enterprise Linux for x86_64
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
Oracle Solaris
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Server for SAP Applications
Slackware Linux
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Realtime Extension
SUSE Linux Enterprise Module for Server Applications
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Desktop
openSUSE Leap
Ubuntu
openEuler
Fedora
IBM Cloud Pak for Watson AIOps
EMC ECS
HP-UX
IBM Aspera Console
Maximo Application Suite - IoT Component
NetWorker Management Console (NMC)
QuTS hero
QNAP QTS
SUSE Linux Enterprise Module for Packagehub Subpackages
apache2 (Ubuntu package)
jbcs-httpd24-mod_proxy_cluster (Red Hat package)
jbcs-httpd24-apr-util (Red Hat package)
jbcs-httpd24-apr (Red Hat package)
mod_http2
jbcs-httpd24-mod_http2 (Red Hat package)
mod_md
jbcs-httpd24-mod_md (Red Hat package)
apache2-worker-debuginfo
apache2
apache2-debuginfo
apache2-debugsource
apache2-example-pages
apache2-prefork
apache2-prefork-debuginfo
apache2-utils
apache2-utils-debuginfo
apache2-worker
apache2-doc
apache2-devel
mod_proxy_html
mod_ldap
httpd-tools
httpd-devel
httpd
mod_session
mod_ssl
httpd-filesystem
httpd-manual
httpd-debugsource
httpd-help
httpd-debuginfo
apache2-event-debuginfo
apache2-event
httpd (Red Hat package)
www-servers/apache
apache2 (Debian package)
httpd24
jbcs-httpd24-httpd (Red Hat package)
jbcs-httpd24-mod_security (Red Hat package)
jbcs-httpd24-curl (Red Hat package)
IBM Cloud Pak System
JBoss Core Services

Install updates from vendor's website.

Apache HTTP Server - update to 2.4.55
QuTScloud - update to c5.0.1.2374
QuTS hero - update to h5.1.0.2392 build 20230508
EMC ECS - update to 3.7.0.6
QNAP QTS - update to 5.1.0.2348 20230325
IBM Rational Build Forge - update to 8.0.0.24
apache2 (Ubuntu package) - addressed in versions Ubuntu Pro, 2.4.29-1ubuntu4.26, 2.4.41-4ubuntu3.13, 2.4.52-1ubuntu4.3, 2.4.54-2ubuntu1.1
jbcs-httpd24-mod_proxy_cluster (Red Hat package) - addressed in versions 1.3.19-4.el7jbcs, 1.3.19-4.el8jbcs
jbcs-httpd24-apr-util (Red Hat package) - addressed in versions 1.6.1-102.el7jbcs, 1.6.1-102.el8jbcs
jbcs-httpd24-apr (Red Hat package) - addressed in versions 1.7.0-8.el7jbcs, 1.7.0-8.el8jbcs
mod_http2 - update to 1.15.7-5
jbcs-httpd24-mod_http2 (Red Hat package) - addressed in versions 1.15.19-28.el7jbcs, 1.15.19-28.el8jbcs
mod_md - update to 2.0.8-8
IBM Cloud Pak System - update to 2.3.4.0
jbcs-httpd24-mod_md (Red Hat package) - addressed in versions 2.4.0-25.el7jbcs, 2.4.0-25.el8jbcs
apache2-worker-debuginfo - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2 - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-debuginfo - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-debugsource - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-example-pages - addressed in versions 2.4.23-29.94.1, 2.4.51-35.22.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-prefork - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-prefork-debuginfo - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-utils - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-utils-debuginfo - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-worker - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-doc - addressed in versions 2.4.23-29.94.1, 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-devel - addressed in versions 2.4.33-150000.3.72.1, 2.4.51-35.22.1, 2.4.51-150200.3.51.1, 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
mod_proxy_html - update to 2.4.37-51.0.1
mod_ldap - update to 2.4.37-51.0.1
httpd-tools - update to 2.4.37-51.0.1
httpd-devel - update to 2.4.37-51.0.1
httpd - update to 2.4.37-51.0.1
mod_session - update to 2.4.37-51.0.1
mod_ssl - update to 2.4.37-51.0.1
httpd-filesystem - update to 2.4.37-51.0.1
httpd-manual - update to 2.4.37-51.0.1
httpd - update to 2.4.43-20
mod_ssl - update to 2.4.43-20
httpd-devel - update to 2.4.43-20
httpd-debugsource - update to 2.4.43-20
mod_proxy_html - update to 2.4.43-20
mod_ldap - update to 2.4.43-20
mod_md - update to 2.4.43-20
httpd-filesystem - update to 2.4.43-20
httpd-help - update to 2.4.43-20
mod_session - update to 2.4.43-20
httpd-debuginfo - update to 2.4.43-20
httpd-tools - update to 2.4.43-20
apache2-event-debuginfo - addressed in versions 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
apache2-event - addressed in versions 2.4.51-150400.6.6.1, 2.4.66-150400.6.57.1
httpd (Red Hat package) - update to 2.4.53-7.el9_1.1
httpd - update to 2.4.55
httpd - update to 2.4.55-1
httpd - addressed in versions 2.4.55-1.fc36, 2.4.55-1.fc37
www-servers/apache - update to 2.4.56
apache2 (Debian package) - update to 2.4.56-1~deb11u1
httpd24 - update to 2.4.56-1.100
JBoss Core Services - update to 2.4.57
jbcs-httpd24-httpd (Red Hat package) - addressed in versions 2.4.57-5.el7jbcs, 2.4.57-5.el8jbcs
jbcs-httpd24-mod_security (Red Hat package) - addressed in versions 2.9.3-29.el7jbcs, 2.9.3-29.el8jbcs
IBM Aspera Console - update to 3.4.2 PL7
jbcs-httpd24-curl (Red Hat package) - addressed in versions 8.2.1-1.el7jbcs, 8.2.1-1.el8jbcs
IBM HTTP Server - addressed in versions 8.5.5.24, 9.0.5.15
Maximo Application Suite - IoT Component - addressed in versions 8.7.20, 8.8.16, 9.0.6
IBM Power Hardware Management Console (HMC) - addressed in versions 10.1.1020.0 SP1, 10.2.1040.0
NetWorker Management Console (NMC) - addressed in versions 19.7.0.4, 19.7.1.1, 19.8.0.2

• https://httpd.apache.org/security/vulnerabilities_24.html#2.4.55

• Multiple vulnerabilities in Apache HTTP Server
• Slackware Linux update for httpd
• SUSE update for apache2
• SUSE update for apache2
• Ubuntu update for apache2
• Ubuntu update for apache2
• SUSE update for apache2
• SUSE update for apache2
• SUSE update for apache2
• Red Hat Enterprise Linux 8 update for the httpd:2.4 module
• Multiple vulnerabilities in IBM HTTP Server
• Red Hat Enterprise Linux 9 update for httpd
• Multiple vulnerabilities in Oracle Solaris
• Amazon Linux AMI update for httpd24
• Debian update for apache2
• Multiple vulnerabilities in IBM Tivoli Monitoring
• Multiple vulnerabilities in IBM i
• Multiple vulnerabilities in Dell NetWorker Management Console (NMC)
• Multiple vulnerabilities in IBM Power Hardware Management Console (HMC)
• Multiple vulnerabilities in Dell ECS
• Multiple vulnerabilities in Red Hat JBoss Core Services
• Fedora 37 update for httpd
• Fedora 36 update for httpd
• Gentoo update for Apache HTTPD
• Multiple vulnerabilities in QNAP operating systems
• Multiple vulnerabilities in Oracle HTTP Server
• Multiple vulnerabilities in IBM Cloud Pak for Watson AIOps
• Multiple vulnerabilities in IBM Rational Build Forge
• HP-UX update for Apache Web Server
• Multiple vulnerabilities in IBM Aspera Console
• openEuler update for httpd
• Amazon Linux AMI update for httpd
• Multiple vulnerabilities in IBM Cloud Pak System
• Multiple vulnerabilities in IBM Maximo Application Suite - IoT Component
• Anolis OS update for httpd:2.4 module
• SUSE update for apache2