USN-3783-1: Apache HTTP Server vulnerabilities

Publication date

3 October 2018

Overview

Several security issues were fixed in the Apache HTTP Server.

Releases


Packages

Details

Robert Swiecki discovered that the Apache HTTP Server HTTP/2 module
incorrectly destroyed certain streams. A remote attacker could possibly
use this issue to cause the server to crash, leading to a denial of
service. (CVE-2018-1302)

Craig Young discovered that the Apache HTTP Server HTTP/2 module
incorrectly handled certain requests. A remote attacker could possibly
use this issue to cause the server to consume resources, leading to a
denial of service. (CVE-2018-1333)

Gal Goldshtein discovered that the Apache HTTP Server HTTP/2 module
incorrectly handled large SETTINGS frames. A remote attacker could possibly
use this issue to cause the server to consume resources, leading to a
denial of service. (CVE-2018-11763)

Robert Swiecki discovered that the Apache HTTP Server HTTP/2 module
incorrectly destroyed certain streams. A remote attacker could possibly
use this issue to cause the server to crash, leading to a denial of
service. (CVE-2018-1302)

Craig Young discovered that the Apache HTTP Server HTTP/2 module
incorrectly handled certain requests. A remote attacker could possibly
use this issue to cause the server to consume resources, leading to a
denial of service. (CVE-2018-1333)

Gal Goldshtein discovered that the Apache HTTP Server HTTP/2 module
incorrectly handled large SETTINGS frames. A remote attacker could possibly
use this issue to cause the server to consume resources, leading to a
denial of service. (CVE-2018-11763)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic apache2-bin –  2.4.29-1ubuntu4.4

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