LinuxSecurity.com
Share your story
The central voice for Linux and Open Source security news
Home News Topics Advisories HOWTOs Features Newsletters About Register

Welcome!
Sign up!
EnGarde Community
Login
Polls
What is the most important Linux security technology?
 
Advisories
Community
Linux Events
Linux User Groups
Link to Us
Security Center
Book Reviews
Security Dictionary
Security Tips
SELinux
White Papers
Featured Blogs
All About Linux
DanWalsh LiveJournal
Securitydistro
Latest Newsletters
Linux Advisory Watch: December 19th, 2014
Linux Advisory Watch: December 12th, 2014
Subscribe
LinuxSecurity Newsletters
E-mail:
Choose Lists:
About our Newsletters
RSS Feeds
Get the LinuxSecurity news you want faster with RSS
Powered By

  
A Buffer Overflow Study: Attacks & Defenses Print E-mail
User Rating:      How can I rate this item?
Source: Pierre-Alain FAYOLLE, Vincent GLAUME - Posted by Dave Wreski   
Security Projects A technical overview of heap and buffer overflows, Linux tools that can be used to reduce their risk, the kinds of exploits these tools can prevent, and more. "This study deals with the various kinds of overflows (heap, stack) to understand how they work and how they may be used to execute malicious code. . . A technical overview of heap and buffer overflows, Linux tools that can be used to reduce their risk, the kinds of exploits these tools can prevent, and more. "This study deals with the various kinds of overflows (heap, stack) to understand how they work and how they may be used to execute malicious code; then it focuses on a few Linux solutions (Grsecurity features, Libsafe...), and explains how they behave, which kinds of exploits they prevent respectively...

It aims at presenting an overview of generic solutions which may be applied to a whole system, although it is a non-exhaustive one."

On november 2, 1988 a new form of threat appeared with the Morris Worm, also known as the Internet Worm. This famous event caused heavy damages on the internet, by using two common unix programs, sendmail and fingerd. This was possible by exploiting a buffer overflow in fingerd. This is probably one of the most outstanding attacks based on buffer overflows.

This kind of vulnerability has been found on largely spread and used daemons such as bind, wu-ftpd, or various telnetd implementations, as well as on applications such as Oracle or MS Outlook Express...

Read this full article at Pierre-Alain FAYOLLE, Vincent GLAUME

Only registered users can write comments.
Please login or register.

Powered by AkoComment!

 
< Prev   Next >
    
Partner

 

Latest Features
Peter Smith Releases Linux Network Security Online
Securing a Linux Web Server
Password guessing with Medusa 2.0
Password guessing as an attack vector
Squid and Digest Authentication
Squid and Basic Authentication
Demystifying the Chinese Hacking Industry: Earning 6 Million a Night
Free Online security course (LearnSIA) - A Call for Help
What You Need to Know About Linux Rootkits
Review: A Practical Guide to Fedora and Red Hat Enterprise Linux - Fifth Edition
Weekend Edition
Report: U.S. planning “proportional response” to Sony hack, blamed on North Korea
Heartbleed, Shellshock, Tor and more: The 13 biggest security stories of 2014
Partner Sponsor

Community | HOWTOs | Blogs | Features | Book Reviews | Networking
 Security Projects |  Latest News |  Newsletters |  SELinux |  Privacy |  Home
 Hardening |   About Us |   Advertise |   Legal Notice |   RSS |   Guardian Digital
(c)Copyright 2014 Guardian Digital, Inc. All rights reserved.