Improper Data Handling Affecting apache2 package, versions <2.4.18-2ubuntu3.2


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
5.86% (94th percentile)

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  • Snyk IDSNYK-UBUNTU1604-APACHE2-391330
  • published27 Jul 2017
  • disclosed27 Jul 2017

Introduced: 27 Jul 2017

CVE-2016-8743  (opens in a new tab)
CWE-19  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 apache2 to version 2.4.18-2ubuntu3.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache2 package and not the apache2 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

Apache HTTP Server, in all releases prior to 2.2.32 and 2.4.25, was liberal in the whitespace accepted from requests and sent in response lines and headers. Accepting these different behaviors represented a security concern when httpd participates in any chain of proxies or interacts with back-end application servers, either through mod_proxy or using conventional CGI mechanisms, and may result in request smuggling, response splitting and cache pollution.

References

CVSS Scores

version 3.1