USN-5333-2: Apache HTTP Server vulnerabilities
17 March 2022
Several security issues were fixed in Apache HTTP Server.
Releases
Packages
- apache2 - Apache HTTP server
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04
-
apache2
-
2.4.18-2ubuntu3.17+esm5
Available with Ubuntu Pro
-
apache2-bin
-
2.4.18-2ubuntu3.17+esm5
Available with Ubuntu Pro
Ubuntu 14.04
-
apache2
-
2.4.7-1ubuntu4.22+esm4
Available with Ubuntu Pro
-
apache2-bin
-
2.4.7-1ubuntu4.22+esm4
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.