Red Hat: CVE-2021-44224: possible NULL dereference or SSRF in forward proxy configurations (Multiple Advisories)
6
(AV:N/AC:L/Au:N/C:N/I:P/A:P)
12/20/2021
05/14/2022
05/13/2022
12/15/2023
Description
A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).
Solution(s)
- redhat-upgrade-httpd
- redhat-upgrade-httpd-debuginfo
- redhat-upgrade-httpd-debugsource
- redhat-upgrade-httpd-devel
- redhat-upgrade-httpd-filesystem
- redhat-upgrade-httpd-manual
- redhat-upgrade-httpd-tools
- redhat-upgrade-httpd-tools-debuginfo
- redhat-upgrade-mod_http2
- redhat-upgrade-mod_http2-debuginfo
- redhat-upgrade-mod_http2-debugsource
- redhat-upgrade-mod_ldap
- redhat-upgrade-mod_ldap-debuginfo
- redhat-upgrade-mod_md
- redhat-upgrade-mod_md-debuginfo
- redhat-upgrade-mod_md-debugsource
- redhat-upgrade-mod_proxy_html
- redhat-upgrade-mod_proxy_html-debuginfo
- redhat-upgrade-mod_session
- redhat-upgrade-mod_session-debuginfo
- redhat-upgrade-mod_ssl
- redhat-upgrade-mod_ssl-debuginfo
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