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USN-5333-1: Apache HTTP Server vulnerabilities

17 March 2022

Several security issues were fixed in Apache HTTP Server.

Releases

Packages

Details

Chamal De Silva discovered that the Apache HTTP Server mod_lua module
incorrectly handled certain crafted request bodies. A remote attacker could
possibly use this issue to cause the server to crash, resulting in a denial
of service. (CVE-2022-22719)

James Kettle discovered that the Apache HTTP Server incorrectly closed
inbound connection when certain errors are encountered. A remote attacker
could possibly use this issue to perform an HTTP Request Smuggling attack.
(CVE-2022-22720)

It was discovered that the Apache HTTP Server incorrectly handled large
LimitXMLRequestBody settings on certain platforms. In certain
configurations, a remote attacker could use this issue to cause the server
to crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2022-22721)

Ronald Crane discovered that the Apache HTTP Server mod_sed module
incorrectly handled memory. A remote attacker could use this issue to cause
the server to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2022-23943)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 21.10
Ubuntu 20.04
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-5333-2: libapache2-mod-proxy-html, apache2-mpm-itk, libapache2-mod-macro, apache2-suexec, apache2, apache2-utils, apache2-bin, apache2.2-bin, apache2-dev, apache2-suexec-pristine, apache2-mpm-event, apache2-mpm-worker, apache2-suexec-custom, apache2-mpm-prefork, apache2-data, apache2-doc