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Web-Based Session Management
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Hits: 6 |
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Date added: 07/23/2006 |
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Abstract:
Many web-based applications employ some kind of session management to create a user-friendly environment. Sessions are stored on server and associated with respective users by session identifiers (IDs). Naturally, session IDs present an attractive target for attackers, who, by obtaining them, effectively hijack users' identities. Knowing that, web servers are employing techniques for protecting session IDs from three classes of attacks: interception, prediction and brute-force attacks. This paper reveals a fourth class of attacks against session IDs: session fixation attacks. In a session fixation attack, the attacker fixes the user's session ID before the user even logs into the target server, thereby eliminating the need to obtain the user's session ID afterwards. There are many ways for the attacker to perform a session fixation attack, depending on the session ID transport mechanism (URL arguments, hidden form fields, cookies) and the vulnerabilities available in the target system or its immediate environment. The paper provides detailed information about exploiting vulnerable systems as well as recommendations for protecting them against session fixation attacks. |
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Websters New World Hacker Dictionary
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Hits: 9 |
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Date added: 10/03/2006 |
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The comprehensive hacker dictionary for security professionals, businesses, governments, legal professionals, and others dealing with cyberspace.
Cyberspace has a language all its own. Understanding it is vital if you're concerned about Internet security, national security, or even personal security. As recent events have proven, you don't have to own a computer to be the victim of cybercrime—crackers have accessed information in the records of large, respected organizations, institutions, and even the military. |
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Wiley - The CISSP Preparation Guide Gold Edition
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Hits: 6 |
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Date added: 01/05/2007 |
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Wiley - The CISSP Preparation Guide Gold Edition |
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Writing Security Tools And Exploits
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Hits: 14 |
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Date added: 10/18/2006 |
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In most information technology circles these days,the term exploits has become synonymous with vulnerabilities or in some cases, buffer overflows.It is not only a scary word that can keep you up at night wondering if you purchased the best firewalls,configured your new host-based intrusion prevention system correctly,and have patched your entire environment,but can enter the security water-cooler discussions faster than McAfee’s new wicked anti-virus software or Symantec’s latest acquisition.Exploits are proof that the computer science,or software programming,community still does not have an understanding (or,more importantly,firm knowledge) of how to design,create,and implement secure code.
Like it or not,all exploits are a product of poorly constructed software programs and talented software hackers – and not the good type of hackers that trick out an application with interesting configurations.These programs may have multiple deficiencies such as stack overflows,heap corruption,format string bugs,and race conditions—the first three commonly being referred to as simply buffer overflows.Buffer overflows can be as small as one misplaced character in a million-line program or as complex as multiple character arrays that are inappropriately handled.
Building on the idea that hackers will tackle the link with the least amount of resistance,it is not unheard of to think that the most popular sets of software will garner the most identified vulnerabilities.While there is a chance that the popular software is indeed the most buggy,another angle would be to state that the most popular software has more prying eyes on it.
TABLE OF CONTENT:
Chapter 01 - Writing Exploits and Security Tools
Chapter 02 - Assembly and Shellcode
Chapter 03 - Exploits: Stack
Chapter 04 - Exploits: Heap
Chapter 05 - Exploits: Format Strings
Chapter 06 - Writing Exploits I
Chapter 07 - Writing Exploits II
Chapter 08 - Coding for Ethereal
Chapter 09 - Coding for Nessus
Chapter 10 - Extending Metasploit I
Chapter 11 - Extending Metasploit II
Chapter 12 - Extending Metasploit III
Appendix A - Data Conversion Reference
Appendix B - Syscall Reference
Appendix C - Taps Currently Embedded in Ethereal
Appendix D - Glossary |
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