Vulnerability · Published Jul 1, 2024 · Assigned by apache
CVE-2024-38476Apache HTTP Server may use exploitable/malicious backend application output to run local handlers via internal redirect
Critical 9.8
In plain English
A critical-severity security flaw in Apache HTTP Server from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 41.6% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
Vulnerability in core of Apache HTTP Server 2.4.59 and earlier are vulnerably to information disclosure, SSRF or local script execution via backend applications whose response headers are malicious or exploitable. Users are recommended to upgrade to version 2.4.60, which fixes this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | httpd | 2.4.37-65.module_el8.10.0+3874+c2064c23.2 | ALSA-2024:5193 |
| AlmaLinux:9 | httpd | 2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:9 | httpd-core | 2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:8 | httpd-devel | 2.4.37-65.module_el8.10.0+3874+c2064c23.2 | ALSA-2024:5193 |
| AlmaLinux:9 | httpd-devel | 2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:8 | httpd-filesystem | 2.4.37-65.module_el8.10.0+3874+c2064c23.2 | ALSA-2024:5193 |
| AlmaLinux:9 | httpd-filesystem | 2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:8 | httpd-manual | 2.4.37-65.module_el8.10.0+3874+c2064c23.2 | ALSA-2024:5193 |
| AlmaLinux:9 | httpd-manual | 2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:8 | httpd-tools | 2.4.37-65.module_el8.10.0+3874+c2064c23.2 | ALSA-2024:5193 |
| AlmaLinux:9 | httpd-tools | 2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:8 | mod_http2 | 1.15.7-10.module_el8.10.0+3872+9b8ab21e | ALSA-2024:5193 |
| AlmaLinux:8 | mod_http2 | 1.15.7-10.module_el8.10.0+3832+564e7653 | ALSA-2024:5193 |
| AlmaLinux:8 | mod_ldap | 2.4.37-65.module_el8.10.0+3874+c2064c23.2 | ALSA-2024:5193 |
| AlmaLinux:9 | mod_ldap | 2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:9 | mod_lua | 2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:8 | mod_md | 1:2.0.8-8.module_el8.6.0+3031+fb177b09 | ALSA-2024:5193 |
| AlmaLinux:8 | mod_md | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa | ALSA-2024:5193 |
| AlmaLinux:8 | mod_proxy_html | 1:2.4.37-65.module_el8.10.0+3874+c2064c23.2 | ALSA-2024:5193 |
| AlmaLinux:9 | mod_proxy_html | 1:2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:8 | mod_session | 2.4.37-65.module_el8.10.0+3874+c2064c23.2 | ALSA-2024:5193 |
| AlmaLinux:9 | mod_session | 2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| AlmaLinux:8 | mod_ssl | 1:2.4.37-65.module_el8.10.0+3874+c2064c23.2 | ALSA-2024:5193 |
| AlmaLinux:9 | mod_ssl | 1:2.4.57-11.el9_4.1 | ALSA-2024:5138 |
| Alpine:v3.20 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38476 |
| Alpine:v3.21 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38476 |
| Alpine:v3.22 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38476 |
| Alpine:v3.23 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38476 |
| Alpine:v3.24 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38476 |
| Debian:12 | apache2 | 2.4.61-1~deb12u1 | DEBIAN-CVE-2024-38476 |
| Debian:12 | apache2 | 2.4.61-1~deb12u1 | DSA-5729-1 |
| Debian:13 | apache2 | 2.4.60-1 | DEBIAN-CVE-2024-38476 |
| Debian:14 | apache2 | 2.4.60-1 | DEBIAN-CVE-2024-38476 |
| Rocky Linux:8 | httpd | 0:2.4.37-65.module+el8.10.0+1830+22f0c9e0 | RLSA-2024:5193 |
| Rocky Linux:9 | httpd | 0:2.4.57-11.el9_4.1 | RLSA-2024:5138 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-10.module+el8.10.0+1775+6b057638 | RLSA-2024:5193 |
| Rocky Linux:8 | mod_md | 1:2.0.8-8.module+el8.9.0+1370+89cc8ad5 | RLSA-2024:5193 |
| Ubuntu:22.04:LTS | apache2 | 2.4.52-1ubuntu4.10 | USN-6885-1 |
| Ubuntu:22.04:LTS | apache2 | 2.4.52-1ubuntu4.10 | UBUNTU-CVE-2024-38476 |
| Ubuntu:24.04:LTS | apache2 | 2.4.58-1ubuntu8.2 | USN-6885-1 |
| Ubuntu:24.04:LTS | apache2 | 2.4.58-1ubuntu8.2 | UBUNTU-CVE-2024-38476 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache HTTP Server | 2.4.0 – through 2.4.59 |
Weakness: CWE-829 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H