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OpenAdvisories
Unscored Public exploit CVE-2022-22720 EUVD-2022-27863GHSA-2hwm-6xjf-3xmx

HTTP request smuggling vulnerability in Apache HTTP Server 2.4.52 and earlier

Published Mar 14, 2022 · Updated Aug 3, 2024 · Assigned by apache

Description

Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling

Affected products

VendorProductAffectedFixed
Apache Software Foundation Apache HTTP Server Apache HTTP Server 2.4 – ≤ 2.4.52 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 apache2 2.4.53-1 —
Debian 13 apache2 2.4.53-1 —
Debian 12 apache2 2.4.53-1 —
Debian 9 apache2 2.4.25-3+deb9u13 DLA-2960-1
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS apache2 2.4.52-1ubuntu2 —
Ubuntu 20.04 LTS apache2 2.4.41-4ubuntu3.10 USN-5333-1
Ubuntu 18.04 LTS apache2 2.4.29-1ubuntu4.22 USN-5333-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 16.04 LTS apache2 2.4.18-2ubuntu3.17+esm5 USN-5333-2
Ubuntu Pro 14.04 LTS apache2 2.4.7-1ubuntu4.22+esm4 USN-5333-2
ReleasePackageFixed inAdvisory
RHEL 8 httpd +6 2.4.37-43.module+el8.5.0+14530+6f259f31.3 RHSA-2022:1049
RHEL 8 mod_http2 1.15.7-3.module+el8.4.0+8625+d397f3da RHSA-2022:1049
RHEL 8 mod_md 1:2.0.8-8.module+el8.3.0+6814+67d1e611 RHSA-2022:1049
RHEL 8 mod_ssl +1 1:2.4.37-43.module+el8.5.0+14530+6f259f31.3 RHSA-2022:1049
RHEL 7 httpd +5 2.4.6-97.el7_9.5 RHSA-2022:1045
RHEL 7 mod_ssl +1 1:2.4.6-97.el7_9.5 RHSA-2022:1045
RHEL 3 httpd24-httpd +5 2.4.34-23.el7.2 RHSA-2022:1075
RHEL 3 httpd24-mod_ssl +1 1:2.4.34-23.el7.2 RHSA-2022:1075
Show 13 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 8.4 EUS httpd +6 2.4.37-39.module+el8.4.0+14531+e1b94dfe.4 RHSA-2022:1072
RHEL 8.4 EUS mod_http2 1.15.7-3.module+el8.4.0+8625+d397f3da RHSA-2022:1072
RHEL 8.4 EUS mod_md 1:2.0.8-8.module+el8.3.0+6814+67d1e611 RHSA-2022:1072
RHEL 8.4 EUS mod_ssl +1 1:2.4.37-39.module+el8.4.0+14531+e1b94dfe.4 RHSA-2022:1072
RHEL 8.2 EUS httpd +6 2.4.37-21.module+el8.2.0+14532+bd4c0f23.4 RHSA-2022:1102
RHEL 8.2 EUS mod_http2 1.11.3-3.module+el8.2.0+7758+84b4ca3e.1 RHSA-2022:1102
RHEL 8.2 EUS mod_md 1:2.0.8-7.module+el8.2.0+5531+7e4d69a2 RHSA-2022:1102
RHEL 8.2 EUS mod_ssl +1 1:2.4.37-21.module+el8.2.0+14532+bd4c0f23.4 RHSA-2022:1102
RHEL 8.1 E4S httpd +7 2.4.37-16.module+el8.1.0+14533+ac5a4716.4 RHSA-2022:1080
RHEL 8.1 E4S mod_http2 1.11.3-3.module+el8.1.0+7763+babdfe5b.1 RHSA-2022:1080
RHEL 8.1 E4S mod_ssl +1 1:2.4.37-16.module+el8.1.0+14533+ac5a4716.4 RHSA-2022:1080
RHEL 7.7 TUS httpd +5 2.4.6-90.el7_7.3 RHSA-2022:1137
RHEL 7.7 TUS mod_ssl +1 1:2.4.6-90.el7_7.3 RHSA-2022:1137
RHEL 7.7 E4S httpd +5 2.4.6-90.el7_7.3 RHSA-2022:1137
RHEL 7.7 E4S mod_ssl +1 1:2.4.6-90.el7_7.3 RHSA-2022:1137
RHEL 7.7 AUS httpd +5 2.4.6-90.el7_7.3 RHSA-2022:1137
RHEL 7.7 AUS mod_ssl +1 1:2.4.6-90.el7_7.3 RHSA-2022:1137
RHEL 7.6 TUS httpd +5 2.4.6-89.el7_6.4 RHSA-2022:1136
RHEL 7.6 TUS mod_ssl +1 1:2.4.6-89.el7_6.4 RHSA-2022:1136
RHEL 7.6 E4S httpd +5 2.4.6-89.el7_6.4 RHSA-2022:1136
RHEL 7.6 E4S mod_ssl +1 1:2.4.6-89.el7_6.4 RHSA-2022:1136
RHEL 7.6 AUS httpd +5 2.4.6-89.el7_6.4 RHSA-2022:1136
RHEL 7.6 AUS mod_ssl +1 1:2.4.6-89.el7_6.4 RHSA-2022:1136
RHEL 7.4 AUS httpd +5 2.4.6-67.el7_4.9 RHSA-2022:1138
RHEL 7.4 AUS mod_ssl +1 1:2.4.6-67.el7_4.9 RHSA-2022:1138
RHEL 7.3 AUS httpd +5 2.4.6-45.el7_3.8 RHSA-2022:1139
RHEL 7.3 AUS mod_ssl +1 1:2.4.6-45.el7_3.8 RHSA-2022:1139
RHEL 6 ELS httpd +3 2.2.15-70.el6_10 RHSA-2022:1173
RHEL 6 ELS mod_ssl 1:2.2.15-70.el6_10 RHSA-2022:1173
Red Hat JBoss Core Services 1 jbcs-httpd24-apr-util +8 1.6.1-91.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-curl +2 7.78.0-3.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-httpd +6 2.4.37-80.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-mod_cluster-native 1.3.16-10.Final_redhat_2.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-mod_http2 1.15.7-22.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-mod_jk +2 1.2.48-29.redhat_1.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-mod_md 1:2.0.8-41.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-mod_security 2.9.2-68.GA.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-mod_ssl +1 1:2.4.37-80.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-nghttp2 +1 1.39.2-41.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-openssl +4 1:1.1.1g-11.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-openssl-chil 1.0.0-11.el8jbcs RHSA-2022:1389
Red Hat JBoss Core Services 1 jbcs-httpd24-openssl-pkcs11 0.4.10-26.el8jbcs RHSA-2022:1389

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 httpd +6 2.4.37-43.module_el8.5.0+2631+6f259f31.3.alma ALSA-2022:1049
AlmaLinux 8 mod_md 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa ALSA-2022:1049
AlmaLinux 8 mod_ssl +1 1:2.4.37-43.module_el8.5.0+2631+6f259f31.3.alma ALSA-2022:1049

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 httpd 2.4.37-43.module+el8.5.0+714+5ec56ee8 RLSA-2022:1049
Rocky Linux 8 mod_http2 1.15.7-3.module+el8.4.0+553+7a69454b RLSA-2022:1049
Rocky Linux 8 mod_md 1:2.0.8-8.module+el8.4.0+553+7a69454b RLSA-2022:1049
ReleasePackageFixed inAdvisory
SLES 15 SP5 apache2 2.4.66-150400.6.57.1 SUSE-SU-2026:2686-1
SLES 15 SP4 apache2 2.4.66-150400.6.57.1 SUSE-SU-2026:2686-1
SLES 15 SP3 apache2 2.4.51-150200.3.42.1 SUSE-SU-2022:1031-1
SLES 15 SP2 apache2 2.4.51-150200.3.42.1 SUSE-SU-2022:1031-1
SLES 15 SP1 apache2 2.4.33-150000.3.66.1 SUSE-SU-2022:0929-1
Show 31 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 15 apache2 2.4.33-150000.3.66.1 SUSE-SU-2022:0929-1
SLES 12 SP5 apache2 2.4.51-35.13.1 SUSE-SU-2022:0928-1
SLES 12 SP4 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SLES 12 SP3 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SLES 12 SP2 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SLES 11 SP4 apache2 2.2.34-70.41.1 SUSE-SU-2022:14924-1
SLES for SAP 15 SP5 apache2 2.4.66-150400.6.57.1 SUSE-SU-2026:2686-1
SLES for SAP 15 SP4 apache2 2.4.66-150400.6.57.1 SUSE-SU-2026:2686-1
SLES for SAP 15 SP2 apache2 2.4.51-150200.3.42.1 SUSE-SU-2022:1031-1
SLES for SAP 15 SP1 apache2 2.4.33-150000.3.66.1 SUSE-SU-2022:0929-1
SLES for SAP 15 apache2 2.4.33-150000.3.66.1 SUSE-SU-2022:0929-1
SLES for SAP 12 SP5 apache2 2.4.51-35.13.1 SUSE-SU-2022:0928-1
SLES for SAP 12 SP4 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SLES for SAP 12 SP3 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SLE Real Time 15 SP2 apache2 2.4.51-150200.3.42.1 SUSE-SU-2022:1031-1
SLE HPC 15 SP5 apache2 2.4.66-150400.6.57.1 SUSE-SU-2026:2686-1
SLE HPC 15 SP4 apache2 2.4.66-150400.6.57.1 SUSE-SU-2026:2686-1
SLE HPC 15 SP2 apache2 2.4.51-150200.3.42.1 SUSE-SU-2022:1031-1
SLE HPC 15 SP1 apache2 2.4.33-150000.3.66.1 SUSE-SU-2022:0929-1
SLE HPC 15 apache2 2.4.33-150000.3.66.1 SUSE-SU-2022:0929-1
SUSE OpenStack Cloud Crowbar 9 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SUSE OpenStack Cloud Crowbar 8 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SUSE OpenStack Cloud 9 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SUSE OpenStack Cloud 8 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SUSE Manager Server 4.1 apache2 2.4.51-150200.3.42.1 SUSE-SU-2022:1031-1
SUSE Manager Retail Branch Server 4.1 apache2 2.4.51-150200.3.42.1 SUSE-SU-2022:1031-1
SUSE Manager Proxy 4.1 apache2 2.4.51-150200.3.42.1 SUSE-SU-2022:1031-1
SUSE Linux Enterprise Point of Sale 11 SP3 apache2 2.2.34-70.41.1 SUSE-SU-2022:14924-1
SUSE HPE Helion OpenStack 8 apache2 2.4.23-29.88.1 SUSE-SU-2022:0918-1
SUSE Enterprise Storage 7 apache2 2.4.51-150200.3.42.1 SUSE-SU-2022:1031-1
SUSE Enterprise Storage 6 apache2 2.4.33-150000.3.66.1 SUSE-SU-2022:0929-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed apache2 2.4.53-1.1 openSUSE-SU-2024:11919-1
openSUSE Leap 15.3 apache2 2.4.51-150200.3.42.1 openSUSE-SU-2022:1031-1
ReleasePackageFixed inAdvisory
Alpine v3.24 apache2 2.4.53-r0 —
Alpine v3.23 apache2 2.4.53-r0 —
Alpine v3.22 apache2 2.4.53-r0 —
Alpine v3.21 apache2 2.4.53-r0 —
Alpine v3.20 apache2 2.4.53-r0 —
Show 8 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Alpine v3.19 apache2 2.4.53-r0 —
Alpine v3.18 apache2 2.4.53-r0 —
Alpine v3.17 apache2 2.4.53-r0 —
Alpine v3.16 apache2 2.4.53-r0 —
Alpine v3.15 apache2 2.4.53-r0 —
Alpine v3.14 apache2 2.4.53-r0 —
Alpine v3.13 apache2 2.4.53-r0 —
Alpine v3.12 apache2 2.4.53-r0 —

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 httpd +8 2.4.54-3.amzn2023.0.4 ALAS2023-2023-072
Amazon Linux 2023 mod_ssl +1 1:2.4.54-3.amzn2023.0.4 ALAS2023-2023-072
Amazon Linux 2 httpd +7 2.4.53-1.amzn2 ALAS2-2022-1783
Amazon Linux 2 mod_ssl +1 1:2.4.53-1.amzn2 ALAS2-2022-1783

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) httpd 2.4.53-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 8 httpd +6 2.4.37-43.0.2.module+el8.5.0+20524+6e75a975.3 ELSA-2022-1049
Oracle Linux 8 mod_http2 1.15.7-3.module+el8.4.0+20024+b87b2deb ELSA-2022-1049
Oracle Linux 8 mod_md 1:2.0.8-8.module+el8.5.0+20475+4f6a8fd5 ELSA-2022-1049
Oracle Linux 8 mod_ssl +1 1:2.4.37-43.0.2.module+el8.5.0+20524+6e75a975.3 ELSA-2022-1049
Oracle Linux 7 httpd +5 2.4.6-97.0.5.el7_9.5 ELSA-2022-1045
Oracle Linux 7 mod_ssl +1 1:2.4.6-97.0.5.el7_9.5 ELSA-2022-1045

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 38

References