SB2015072102 - Input validation error in Apache HTTP Server



SB2015072102 - Input validation error in Apache HTTP Server

Published: July 21, 2015 Updated: August 4, 2020

Security Bulletin ID SB2015072102
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2015-3183)

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The chunked transfer coding implementation in the Apache HTTP Server before 2.4.14 does not properly parse chunk headers, which allows remote attackers to conduct HTTP request smuggling attacks via a crafted request, related to mishandling of large chunk-size values and invalid chunk-extension characters in modules/http/http_filters.c.


Remediation

Install update from vendor's website.

References