USN-5212-2: Apache HTTP Server vulnerabilities
10 January 2022
Several security issues were fixed in Apache HTTP Server.
Releases
Packages
- apache2 - Apache HTTP server
Details
USN-5212-1 fixed several vulnerabilities in Apache. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that the Apache HTTP Server incorrectly handled certain
forward proxy requests. A remote attacker could use this issue to cause
the server to crash, resulting in a denial of service, or possibly perform
a Server Side Request Forgery attack. (CVE-2021-44224)
It was discovered that the Apache HTTP Server Lua module incorrectly
handled memory in the multipart parser. 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-2021-44790)
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+esm4
Available with Ubuntu Pro
-
apache2-bin
-
2.4.18-2ubuntu3.17+esm4
Available with Ubuntu Pro
Ubuntu 14.04
-
apache2
-
2.4.7-1ubuntu4.22+esm3
Available with Ubuntu Pro
-
apache2-bin
-
2.4.7-1ubuntu4.22+esm3
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-5212-1: 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