USN-5487-2: Apache HTTP Server regression
23 June 2022
USN-5487-1 introduced a regression in Apache HTTP Server.
Releases
Packages
- apache2 - Apache HTTP server
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04
-
apache2-bin
-
2.4.7-1ubuntu4.22+esm6
Available with Ubuntu Pro
-
apache2
-
2.4.7-1ubuntu4.22+esm6
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.