HTTP response splitting in Apache HTTP Server - CVE-2023-38709

Vulnerability identifier: #VU88151

CSH Severity: Medium

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-38709

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. A malicious or exploitable backend/content generators can send specially crafted response 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
HP-UX Apache Web Server
IBM HTTP Server
Gentoo Linux
Amazon Linux AMI
Debian Linux
Oracle Linux
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
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 Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
F5OS
SUSE Enterprise Storage
IBM i
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
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
macOS
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
Basesystem Module
Server Applications Module
SUSE Package Hub 15
openSUSE Leap
openEuler
Fedora
CyberSense OS
Oracle Solaris
IBM Rational ClearCase
IBM Business Automation Workflow
WebSphere Remote Server
IBM Rational ClearQuest
Red Hat OpenShift Dev Spaces
EasyApache
OpenShift Logging
Dell Secure Connect Gateway
IBM Tivoli Monitoring
IBM Rational Build Forge
IBM Power Hardware Management Console (HMC)
EMC NetWorker Server
DataPower Operations Dashboard
IBM Tivoli Netcool Configuration Manager
Dell EMC OpenManage Enterprise Modular
IBM Aspera Console
IBM Cloud Pak for Watson AIOps
NetWorker Management Console (NMC)
IBM Cloud Pak System
Traffix SDC
IBM Cloud Pak for Multicloud Management
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
apache2 (Ubuntu package)
jbcs-httpd24-mod_proxy_cluster (Red Hat package)
mod_http2
jbcs-httpd24-mod_http2 (Red Hat package)
mod_md
jbcs-httpd24-mod_md (Red Hat package)
httpd-manual
httpd-filesystem
mod_ssl
mod_session
mod_proxy_html
mod_ldap
httpd-tools
httpd-devel
httpd
httpd-debuginfo
httpd-debugsource
httpd-help
apache2-worker
apache2-utils
apache2-debuginfo
apache2-debugsource
apache2-tls13-debuginfo
apache2-devel
apache2-tls13-debugsource
apache2-tls13-devel
apache2-doc
apache2-prefork
apache2-tls13-worker-debuginfo
apache2-tls13-utils-debuginfo
apache2-tls13-worker
apache2-tls13-utils
apache2-worker-debuginfo
apache2-tls13-prefork
apache2-tls13-example-pages
apache2-example-pages
apache2-utils-debuginfo
apache2-prefork-debuginfo
apache2-tls13
apache2-tls13-prefork-debuginfo
apache2
apache2-tls13-doc
httpd (Red Hat package)
jbcs-httpd24-httpd (Red Hat package)
apache2-manual
apache2-event-debuginfo
apache2-worker-debugsource
apache2-prefork-debugsource
apache2-event-debugsource
apache2-event
apache2-utils-debugsource
apache2 (Debian package)
www-servers/apache
mod_lua
httpd-doc
httpd-core
jbcs-httpd24-mod_security (Red Hat package)
BIG-IP
PowerScale OneFS
JBoss Core Services

Install updates from vendor's website.

Apache HTTP Server - update to 2.4.59
DataPower Operations Dashboard - update to 1.0.23.0
IBM Cloud Pak System - update to 2.3.6.0
macOS - update to 14.6 23G80
apache2 (Ubuntu package) - addressed in versions Ubuntu Pro, 2.4.7-1ubuntu4.22+esm12, 2.4.18-2ubuntu3.17+esm17, 2.4.29-1ubuntu4.27+esm7, 2.4.29-1ubuntu4.27+esm8, 2.4.41-4ubuntu3.17, 2.4.41-4ubuntu3.23+esm3, 2.4.52-1ubuntu4.9, 2.4.57-2ubuntu2.4, 2.4.58-1ubuntu8.1
jbcs-httpd24-mod_proxy_cluster (Red Hat package) - addressed in versions 1.3.20-10.el7jbcs, 1.3.20-10.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 1.15.19-43.el7jbcs, 1.15.19-43.el8jbcs
mod_md - update to 2.0.8-8
IBM Cloud Pak for Multicloud Management - update to 2.3 FP11
jbcs-httpd24-mod_md (Red Hat package) - addressed in versions 2.4.24-13.el7jbcs, 2.4.24-13.el8jbcs
httpd-manual - addressed in versions 2.4.37-65.0.1, 2.4.37-655.0.1, 2.4.62-3
httpd-filesystem - addressed in versions 2.4.37-65.0.1, 2.4.37-655.0.1, 2.4.62-3
mod_ssl - addressed in versions 2.4.37-65.0.1, 2.4.37-655.0.1, 2.4.62-3
mod_session - addressed in versions 2.4.37-65.0.1, 2.4.37-655.0.1, 2.4.62-3
mod_proxy_html - addressed in versions 2.4.37-65.0.1, 2.4.37-655.0.1, 2.4.62-3
mod_ldap - addressed in versions 2.4.37-65.0.1, 2.4.37-655.0.1, 2.4.62-3
httpd-tools - addressed in versions 2.4.37-65.0.1, 2.4.37-655.0.1, 2.4.62-3
httpd-devel - addressed in versions 2.4.37-65.0.1, 2.4.37-655.0.1, 2.4.62-3
httpd - addressed in versions 2.4.37-65.0.1, 2.4.37-655.0.1, 2.4.62-3
httpd - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
mod_session - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
mod_md - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
httpd-devel - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
mod_ssl - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
httpd-debuginfo - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
httpd-tools - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
mod_proxy_html - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
httpd-debugsource - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
mod_ldap - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
httpd-filesystem - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
httpd-help - addressed in versions 2.4.43-24, 2.4.43-28, 2.4.51-25, 2.4.58-10
apache2-worker - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-utils - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-debuginfo - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-debugsource - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-tls13-debuginfo - update to 2.4.51-35.41.1
apache2-devel - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-tls13-debugsource - update to 2.4.51-35.41.1
apache2-tls13-devel - update to 2.4.51-35.41.1
apache2-doc - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.66-150400.6.57.1
apache2-prefork - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-tls13-worker-debuginfo - update to 2.4.51-35.41.1
apache2-tls13-utils-debuginfo - update to 2.4.51-35.41.1
apache2-tls13-worker - update to 2.4.51-35.41.1
apache2-tls13-utils - update to 2.4.51-35.41.1
apache2-worker-debuginfo - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-tls13-prefork - update to 2.4.51-35.41.1
apache2-tls13-example-pages - update to 2.4.51-35.41.1
apache2-example-pages - addressed in versions 2.4.51-35.41.1, 2.4.66-150400.6.57.1
apache2-utils-debuginfo - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-prefork-debuginfo - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-tls13 - update to 2.4.51-35.41.1
apache2-tls13-prefork-debuginfo - update to 2.4.51-35.41.1
apache2 - addressed in versions 2.4.51-35.41.1, 2.4.51-150200.3.62.1, 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-tls13-doc - update to 2.4.51-35.41.1
JBoss Core Services - update to 2.4.57 SP6
httpd (Red Hat package) - addressed in versions 2.4.57-11.el9_4.5, 2.4.62-1.el9, 2.4.62-4.el9_6.6, 2.4.63-1.el10_0.4, 2.4.63-13.el10_2.4
jbcs-httpd24-httpd (Red Hat package) - addressed in versions 2.4.57-15.el7jbcs, 2.4.57-15.el8jbcs
apache2-manual - update to 2.4.58-150600.5.3.1
apache2-event-debuginfo - addressed in versions 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-worker-debugsource - update to 2.4.58-150600.5.3.1
apache2-prefork-debugsource - update to 2.4.58-150600.5.3.1
apache2-event-debugsource - update to 2.4.58-150600.5.3.1
apache2-event - addressed in versions 2.4.58-150600.5.3.1, 2.4.66-150400.6.57.1
apache2-utils-debugsource - update to 2.4.58-150600.5.3.1
httpd - update to 2.4.59
apache2 (Debian package) - addressed in versions 2.4.59-1~deb11u1, 2.4.59-1~deb12u1
httpd - update to 2.4.59-2
httpd - addressed in versions 2.4.59-2.fc38, 2.4.59-2.fc39, 2.4.59-2.fc40, 2.4.64-1.fc41
HP-UX Apache Web Server - update to 2.4.62.00
www-servers/apache - update to 2.4.62
mod_lua - update to 2.4.62-3
httpd-doc - update to 2.4.62-3
httpd-core - update to 2.4.62-3
jbcs-httpd24-mod_security (Red Hat package) - addressed in versions 2.9.3-42.el7jbcs, 2.9.3-42.el8jbcs
Dell EMC OpenManage Enterprise Modular - update to 2.20.10
IBM Aspera Console - update to 3.4.2 PL 10
Red Hat OpenShift Dev Spaces - update to 3.17.0
IBM Cloud Pak for Watson AIOps - update to 4.8.0
EasyApache - update to 4 2024-4-8
OpenShift Logging - update to 5.8.16
Dell Secure Connect Gateway - update to 5.24.00.14
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 8.5.5.26, 9.0.5.20
PowerScale OneFS - addressed in versions 9.4.0.19, 9.5.1.0, 9.5.1.1, 9.7.1.2, 9.9.0.0
IBM Power Hardware Management Console (HMC) - addressed in versions 10.1.1020.0 SP3, 10.2.1040.0 SP3, 10.3.1060.0 SP1
Oracle Solaris - update to 11.4 SRU 71
NetWorker Management Console (NMC) - update to 19.10.0.5
EMC NetWorker Server - update to 19.10.0.5

• https://downloads.apache.org/httpd/CHANGES_2.4
• https://httpd.apache.org/security/vulnerabilities_24.html

• Multiple vulnerabilities in Apache HTTP Server
• Slackware Linux update for httpd
• Multiple vulnerabilities in cPanel EasyApache
• Multiple vulnerabilities in IBM HTTP Server
• Multiple vulnerabilities in IBM WebSphere Remote Server
• Ubuntu update for apache2
• Ubuntu update for apache2
• Fedora 39 update for httpd
• Fedora 40 update for httpd
• Multiple vulnerabilities in IBM Business Automation Workflow
• Fedora 38 update for httpd
• Ubuntu update for apache2
• openEuler update for httpd
• SUSE update for apache2
• SUSE update for apache2
• Multiple vulnerabilities in IBM Rational ClearQuest
• Multiple vulnerabilities in IBM Aspera Console
• SUSE update for apache2
• Multiple vulnerabilities in Dell Secure Connect Gateway
• Multiple vulnerabilities in IBM Tivoli Monitoring
• Red Hat Enterprise Linux 8 update for the httpd:2.4 module
• Debian update for apache2
• Oracle Solaris update for thrid-party components
• Multiple vulnerabilities in Oracle Linux
• Multiple vulnerabilities in IBM Rational ClearCase
• Multiple vulnerabilities in Apple macOS Sonoma
• Amazon Linux AMI update for httpd
• Multiple vulnerabilities in IBM i
• Multiple vulnerabilities in Red Hat JBoss Core Services Apache HTTP Server 2.4
• HTTP response splitting in Red Hat JBoss Core Services 1 for RHEL 8 and RHEL 7
• Gentoo update for Apache HTTPD
• Multiple vulnerabilities in IBM Rational Build Forge
• Multiple vulnerabilities in Dell CyberSense OS
• Multiple vulnerabilities in Dell NetWorker And NetWorker Management Console
• Red Hat Enterprise Linux 9 update for httpd
• Multiple vulnerabilities in Red Hat OpenShift Dev Spaces 3.17
• Multiple vulnerabilities in IBM Cloud Pak for AIOps
• IBM Power Hardware Management Console (HMC) update for Apache HTTP Server
• Multiple vulnerabilities in Dell OpenManage Enterprise Modular
• Multiple vulnerabilities in OpenShift Logging 5.8
• Multiple vulnerabilities in Dell PowerScale OneFS
• Multiple vulnerabilities in HPE HP-UX Apache Web Server
• Anolis OS update for httpd:2.4 module
• Multiple vulnerabilities in IBM Cloud Pak for Multicloud Management
• Multiple vulnerabilities in IBM Cloud Pak System
• IBM DataPower Operations Dashboard update for Apache HTTP Server
• Multiple vulnerabilities in IBM Tivoli Netcool Configuration Manager
• Anolis OS update for httpd
• openEuler 24.03 LTS SP2 update for httpd
• openEuler 24.03 LTS SP1 update for httpd
• openEuler 22.03 LTS SP4 update for httpd
• openEuler 22.03 LTS SP3 update for httpd
• openEuler 20.03 LTS SP4 update for httpd
• openEuler 24.03 LTS update for httpd
• Multiple vulnerabilities in F5 BIG-IP httpd component
• Multiple vulnerabilities in F5OS httpd component
• Multiple vulnerabilities in Traffix SDC httpd component
• Fedora 41 update for httpd
• Ubuntu update for apache2
• Ubuntu update for apache2
• SUSE update for apache2
• Red Hat Enterprise Linux 10 update for httpd
• Red Hat Enterprise Linux 8 update for the httpd:2.4 module
• Anolis OS update for httpd:2.4 module
• Red Hat Enterprise Linux 10 update for httpd
• Red Hat Enterprise Linux 9 update for httpd
• Red Hat Enterprise Linux 9 update for httpd