USN-5487-2: Apache HTTP Server regression

23 June 2022

USN-5487-1 introduced a regression in Apache HTTP Server.

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Details

USN-5487-1 fixed several vulnerabilities in Apache. Unfortunately, that update introduced
a regression when proxying balancer manager connections in some configurations
on Ubuntu 14.04 ESM. This update reverts those changes till further fix.

We apologize for the inconvenience.

Original advisory details:

It was discovered that Apache HTTP Server mod_proxy_ajp incorrectly handled
certain crafted request. A remote attacker could possibly use this issue to
perform an HTTP Request Smuggling attack. (CVE-2022-26377)

It was discovered that Apache HTTP Server incorrectly handled certain
request. An attacker could possibly use this issue to cause a denial
of service. (CVE-2022-28614)

It was discovered that Apache HTTP Server incorrectly handled certain request.
An attacker could possibly use this issue to cause a crash or expose
sensitive information. (CVE-2022-28615)

It was discovered that Apache HTTP Server incorrectly handled certain request.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2022-29404)

It was discovered that Apache HTTP Server incorrectly handled certain
request. An attacker could possibly use this issue to cause a crash.
(CVE-2022-30522)

It was discovered that Apache HTTP Server incorrectly handled certain request.
An attacker could possibly use this issue to execute arbitrary code or cause
a crash. (CVE-2022-30556)

It was discovered that Apache HTTP Server incorrectly handled certain request.
An attacker could possibly use this issue to bypass IP based authentication.
(CVE-2022-31813)

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04

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