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USN-5333-2: Apache HTTP Server vulnerabilities

17 March 2022

Several security issues were fixed in Apache HTTP Server.

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Details

USN-5333-1 fixed several vulnerabilities in Apache. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

  • USN-5333-1: apache2-data, apache2, apache2-ssl-dev, apache2-bin, apache2-suexec-pristine, libapache2-mod-md, apache2-utils, apache2-suexec-custom, apache2-dev, libapache2-mod-proxy-uwsgi, apache2-doc

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