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Ubuntu 22.04 LTS USN-5487-1 Critical: Apache Denial of Service

ubuntu
Calendar Grey June 21, 2022
Dist Ubuntu Esm H88
Security flaws addressed in Apache HTTP Server for Ubuntu 22.04 LTS, affecting a range of versions with various vulnerabilities identified.
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:

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 cra...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu threats apache server

Update Instructions

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

Ubuntu 22.04 LTS:
  apache2                         2.4.52-1ubuntu4.1
  apache2-bin                     2.4.52-1ubuntu4.1

Ubuntu 21.10:
  apache2                         2.4.48-3.1ubuntu3.5
  apache2-bin                     2.4.48-3.1ubuntu3.5

Ubuntu 20.04 LTS:
  apache2                         2.4.41-4ubuntu3.12
  apache2-bin                     2.4.41-4ubuntu3.12

Ubuntu 18.04 LTS:
  apache2                         2.4.29-1ubuntu4.24
  apache2-bin                     2.4.29-1ubuntu4.24

Ubuntu 16.04 ESM:
  apache2                         2.4.18-2ubuntu3.17+esm6
  apache2-bin                     2.4.18-2ubuntu3.17+esm6

Ubuntu 14.04 ESM:
  apache2                         2.4.7-1ubuntu4.22+esm5
  apache2-bin                     2.4.7-1ubuntu4.22+esm5

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

References

https://ubuntu.com/security/notices/USN-5487-1

CVE-2022-26377, CVE-2022-28614, CVE-2022-28615, CVE-2022-29404,

CVE-2022-30522, CVE-2022-30556, CVE-2022-31813

Severity
critical
Lowest
Low
Medium
High
Critical

June 21, 2022

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu threats apache server

Package Information

https://launchpad.net/ubuntu/+source/apache2/2.4.52-1ubuntu4.1
https://launchpad.net/ubuntu/+source/apache2/2.4.48-3.1ubuntu3.5
https://launchpad.net/ubuntu/+source/apache2/2.4.41-4ubuntu3.12

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