Skip to Main Content
Sockets, Shellcode, Porting, and Coding: Reverse Engineering Exploits and Tool Coding for Security Professionals
book

Sockets, Shellcode, Porting, and Coding: Reverse Engineering Exploits and Tool Coding for Security Professionals

by James C Foster
April 2005
Intermediate to advanced content levelIntermediate to advanced
700 pages
20h 39m
English
Syngress
Content preview from Sockets, Shellcode, Porting, and Coding: Reverse Engineering Exploits and Tool Coding for Security Professionals
Even though some critical security steps are lacking and some of the steps are cer-
tainly not ideal, this scenario provides a simple context for us to examine race conditions
more closely. Consider the following questions with respect to the scenario:
What happens if the file does not exist in step 2, but before step 3 is executed
the attacker creates a symbolic link from that file to a file the attacker controls,
such as another file in the /tmp directory? (A symbolic link is similar to a
pointer; it allows a file to be accessed under a different name via a potentially
different location. When a user attempts to access a file that is actually a sym-
bolic link, the user is redirected to the file that is linked to. Because of this
redirection, all file per ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

32/64-Bit 80x86 Assembly Language Architecture

32/64-Bit 80x86 Assembly Language Architecture

James Leiterman

Publisher Resources

ISBN: 9781597490054