Preventing log evasion in IIS

Monday, 29 August 2005, 4:18 PM EST

While performing a security review of Microsoft Internet Information Server (IIS), I started to explore IIS's logging capabilities and how they worked. Months earlier I discovered an issue in Sun One Application server that allowed an attacker to evade certain logging functionality by sending a carefully crafted request. With this in mind, I started looking at IIS to see if it had similar issues. I discovered that if an attacker sends more then 4,097 characters to any logged field, IIS will substitute the data within that field with three periods. (I.E., ... )

By Robert Auger at the Web Application Security Consortium.

[ Read more ]




Spotlight

Compromised cPanel "Account Suspended" pages redirect to exploit kit

The code redirects visitors to another URL where the Fiesta exploit kit is hosted, which then tries to detect and exploit several vulnerabilities in various software. If it succeeds, the visitors are saddled with a banking Trojan.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  
DON'T
MISS

Fri, Feb 27th
    COPYRIGHT 1998-2015 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //