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Ubuntu 16.04 ESM USN-5212-2 Moderate Apache HTTP Server Issues

ubuntu
Calendar Grey January 10, 2022
Dist Ubuntu Esm H88
Numerous security flaws in Nginx have been patched for Debian 9 and 8 LTS, tackling severe threats to system integrity.
Several security issues were fixed in Apache HTTP Server.

Summary

Several security issues were fixed in Apache HTTP Server.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory moderate denial of service apache ubuntu server issue

Update Instructions

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

Ubuntu 16.04 ESM:
  apache2                         2.4.18-2ubuntu3.17+esm4
  apache2-bin                     2.4.18-2ubuntu3.17+esm4

Ubuntu 14.04 ESM:
  apache2                         2.4.7-1ubuntu4.22+esm3
  apache2-bin                     2.4.7-1ubuntu4.22+esm3

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

References

https://ubuntu.com/security/notices/USN-5212-2

https://ubuntu.com/security/notices/USN-5212-1

CVE-2021-44224, CVE-2021-44790

January 10, 2022

Topics%20covered

Topics Covered

security advisory moderate denial of service apache ubuntu server issue

Package Information

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