The OWASP Top 10 is the standard first reference we give web developers who are interested in making their applications more secure. It is also the categorization scheme we give to web vulnerabilities on our security assessment reports. And finally, and perhaps most frighteningly, it is the most common framework used by organizations for securing their web applications. But what if there was more to web application security than the OWASP Top 10? In this talk, we will discuss vulnerabilities that don't fit into the OWASP Top 10 categories, but are just as dangerous if present in a web application. Developers and pentesters will benefit from this talk, as both exploits and mitigations will be covered for each of the vulnerabilities.
Beyond OWASP Top 10 - TASK October 2017Aaron Hnatiw
The OWASP Top 10 is the standard first reference we give web developers who are interested in making their applications more secure. It is also the categorization scheme we give to web vulnerabilities on our security assessment reports. And finally, and perhaps most frighteningly, it is the most common framework used by organizations for securing their web applications. But what if there was more to web application security than the OWASP Top 10? In this talk, we will discuss vulnerabilities that don't fit into the OWASP Top 10 categories, but are just as dangerous if present in a web application. Developers and pentesters will benefit from this talk, as both exploits and mitigations will be covered for each of the vulnerabilities.
Cyber attacks are a real and growing threat to businesses and an increasing number of attacks take place at application layer. The best defence against is to develop applications where security is incorporated as part of the software development lifecycle.
The OWASP Top 10 Proactive Controls project is designed to integrate security in the software development lifecycle. In this special presentation for PHPNW, based on v2.0 released this year, you will learn how to incorporate security into your software projects.
Recommended to all developers who want to learn the security techniques that can help them build more secure applications.
OWASP Top 10 2017 rc1 - The Ten Most Critical Web Application Security RisksAndre Van Klaveren
A presentation of the OWASP Top 10 2017 release candidate, expected to be finalized in summer 2017. Presented at the St. Louis CYBER meetup on Wednesday, June 7, 2017.
Beyond OWASP Top 10 - TASK October 2017Aaron Hnatiw
The OWASP Top 10 is the standard first reference we give web developers who are interested in making their applications more secure. It is also the categorization scheme we give to web vulnerabilities on our security assessment reports. And finally, and perhaps most frighteningly, it is the most common framework used by organizations for securing their web applications. But what if there was more to web application security than the OWASP Top 10? In this talk, we will discuss vulnerabilities that don't fit into the OWASP Top 10 categories, but are just as dangerous if present in a web application. Developers and pentesters will benefit from this talk, as both exploits and mitigations will be covered for each of the vulnerabilities.
Cyber attacks are a real and growing threat to businesses and an increasing number of attacks take place at application layer. The best defence against is to develop applications where security is incorporated as part of the software development lifecycle.
The OWASP Top 10 Proactive Controls project is designed to integrate security in the software development lifecycle. In this special presentation for PHPNW, based on v2.0 released this year, you will learn how to incorporate security into your software projects.
Recommended to all developers who want to learn the security techniques that can help them build more secure applications.
OWASP Top 10 2017 rc1 - The Ten Most Critical Web Application Security RisksAndre Van Klaveren
A presentation of the OWASP Top 10 2017 release candidate, expected to be finalized in summer 2017. Presented at the St. Louis CYBER meetup on Wednesday, June 7, 2017.
A walkthrough of web application defense strategies, based around the Open Web Application Security Project's top 10 list. Presented to the Classic City Developers Meetup in August 2017.
Hackers, meet your match. No longer are web applications an easy target. You have been getting away for too long with laughing at poor programming practices, pissing on every parameter,
and downloading entire tables from Web requests. In this talk, I will show a hands-on demo of a live application with a RASP, and without. I will cover the benefits of a RASP over a WAF, and explain
how web sites should no longer rely on dumb traffic level regex tools for their security.
I will attack a vulnerable web application, and demonstrate how a typical attack is carried out on it. Afterwards I will repeat the exercise on the same application, but this time with a RASP installed.
I will point out what the key differences are, and in a vendor neutral manner show key mechanisms which differentiate a RASP from a WAF or a firewall.
I will cover how brute force protection is done right, how aggregating application usage and sharing this data is beneficial, and how using a RASP can even be integrated into a SDLC.
OWASP Top 10 - 2017 Top 10 web application security risksKun-Da Wu
The OWASP team recently released the 2017 revised version of the ten most critical web application security risks. This presentation brief the OWASP Top 10 - 2017 for you to learn more about these important security issues.
Cross Site Scripting (XSS) Defense with JavaJim Manico
Cross Site Scripting Defense is difficult. The Java Programming language does not provide native key defenses necessary to throughly prevent XSS. As technologies such as Content Security Policy emerge, we still need pragmatic advice to stop XSS in legacy applications as well as new applications using traditional Java frameworks. First generation encoding libraries had both performance and completeness problems that prevent developers from through, production-safe XSS defense. This talk will deeply review the OWASP Java Encoder Project and the OWASP HTML Sanitizer Project and give detailed code samples highlighting their use. Additional advice on next-generation JavaScript and JSON workflows using the OWASP JSON Sanitizer will also be reviewed.
Technology First
16th Annual Ohio Information Security Conference
OISC 2019
#OISC19
The OWASP Top 10 & AppSec Primer
By Matt Scheurer (@c3rkah)
Dayton, Ohio
Date: 03/13/2019
Abstract:
Are you testing the security of your web applications, web sites, and web servers? The malicious threat actors on the Internet almost certainly are. We will cover AppSec along with a brief review of the 2017 OWASP Top 10 List. The focus of the presentation is how to get started with AppSec and where to continue learning more. Accompanying the presentation are live demos of Nikto and the OWASP Zed Attack Proxy (ZAP).
Bio:
Matt Scheurer serves as Chair of the Cincinnati Networking Professionals Association Security Special Interest Group (CiNPA Security SIG) and works as a Systems Security Engineer in the Financial Services industry. He holds a CompTIA Security+ Certification and possesses multiple Microsoft Certifications including MCP, MCPS, MCTS, MCSA, and MCITP. He has presented on numerous Information Security topics as a featured speaker at many local area technology groups and large Information Security conferences all over the Ohio, Indiana, and Kentucky Tri-State. Matt maintains active memberships in a number of professional organizations including the Association for Computing Machinery (ACM), Cincinnati Networking Professionals Association (CiNPA), Financial Services - Information Sharing and Analysis Center (FS-ISAC), and Information Systems Security Association (ISSA).
Sql injection bypassing hand book blackroseNoaman Aziz
In this book I am not gonna teach you Basics of SQL injection, I will assume that you already know them, because cmon every one talks about it, you will find tons and tons of posts on forums related to basics of SQL Injection, In this post I will talk about common methods of used by hackers and pentesters for evading IDS, IPS, WAF's such as Modsecurity, dotdefender etc .
A walkthrough of web application defense strategies, based around the Open Web Application Security Project's top 10 list. Presented to the Classic City Developers Meetup in August 2017.
Hackers, meet your match. No longer are web applications an easy target. You have been getting away for too long with laughing at poor programming practices, pissing on every parameter,
and downloading entire tables from Web requests. In this talk, I will show a hands-on demo of a live application with a RASP, and without. I will cover the benefits of a RASP over a WAF, and explain
how web sites should no longer rely on dumb traffic level regex tools for their security.
I will attack a vulnerable web application, and demonstrate how a typical attack is carried out on it. Afterwards I will repeat the exercise on the same application, but this time with a RASP installed.
I will point out what the key differences are, and in a vendor neutral manner show key mechanisms which differentiate a RASP from a WAF or a firewall.
I will cover how brute force protection is done right, how aggregating application usage and sharing this data is beneficial, and how using a RASP can even be integrated into a SDLC.
OWASP Top 10 - 2017 Top 10 web application security risksKun-Da Wu
The OWASP team recently released the 2017 revised version of the ten most critical web application security risks. This presentation brief the OWASP Top 10 - 2017 for you to learn more about these important security issues.
Cross Site Scripting (XSS) Defense with JavaJim Manico
Cross Site Scripting Defense is difficult. The Java Programming language does not provide native key defenses necessary to throughly prevent XSS. As technologies such as Content Security Policy emerge, we still need pragmatic advice to stop XSS in legacy applications as well as new applications using traditional Java frameworks. First generation encoding libraries had both performance and completeness problems that prevent developers from through, production-safe XSS defense. This talk will deeply review the OWASP Java Encoder Project and the OWASP HTML Sanitizer Project and give detailed code samples highlighting their use. Additional advice on next-generation JavaScript and JSON workflows using the OWASP JSON Sanitizer will also be reviewed.
Technology First
16th Annual Ohio Information Security Conference
OISC 2019
#OISC19
The OWASP Top 10 & AppSec Primer
By Matt Scheurer (@c3rkah)
Dayton, Ohio
Date: 03/13/2019
Abstract:
Are you testing the security of your web applications, web sites, and web servers? The malicious threat actors on the Internet almost certainly are. We will cover AppSec along with a brief review of the 2017 OWASP Top 10 List. The focus of the presentation is how to get started with AppSec and where to continue learning more. Accompanying the presentation are live demos of Nikto and the OWASP Zed Attack Proxy (ZAP).
Bio:
Matt Scheurer serves as Chair of the Cincinnati Networking Professionals Association Security Special Interest Group (CiNPA Security SIG) and works as a Systems Security Engineer in the Financial Services industry. He holds a CompTIA Security+ Certification and possesses multiple Microsoft Certifications including MCP, MCPS, MCTS, MCSA, and MCITP. He has presented on numerous Information Security topics as a featured speaker at many local area technology groups and large Information Security conferences all over the Ohio, Indiana, and Kentucky Tri-State. Matt maintains active memberships in a number of professional organizations including the Association for Computing Machinery (ACM), Cincinnati Networking Professionals Association (CiNPA), Financial Services - Information Sharing and Analysis Center (FS-ISAC), and Information Systems Security Association (ISSA).
Sql injection bypassing hand book blackroseNoaman Aziz
In this book I am not gonna teach you Basics of SQL injection, I will assume that you already know them, because cmon every one talks about it, you will find tons and tons of posts on forums related to basics of SQL Injection, In this post I will talk about common methods of used by hackers and pentesters for evading IDS, IPS, WAF's such as Modsecurity, dotdefender etc .
WAF Bypass Techniques - Using HTTP Standard and Web Servers’ BehaviourSoroush Dalili
Although web application firewall (WAF) solutions are very useful to prevent common or automated attacks, most of them are based on blacklist approaches and are still far from perfect. This talk illustrates a number of creative techniques to smuggle and reshape HTTP requests using the strange behaviour of web servers and features such as request encoding or HTTP pipelining. These methods can come in handy when testing a website behind a WAF and can help penetration testers and bug bounty hunters to avoid drama and pain! Knowing these techniques is also beneficial for the defence team in order to design appropriate mitigation techniques. Additionally, it shows why developers should not solely rely on WAFs as the defence mechanism.
Finally, an open source Burp Suite extension will be introduced that can be used to assess or bypass a WAF solution using some of the techniques discussed in this talk. The plan is to keep improving this extension with the help of the http.ninja project.
Breaking Parser Logic: Take Your Path Normalization Off and Pop 0days Out!Priyanka Aash
"We propose a new exploit technique that brings a whole-new attack surface to defeat path normalization, which is complicated in implementation due to many implicit properties and edge cases. This complication, being under-estimated or ignored by developers for a long time, has made our proposed attack vector possible, lethal, and general. Therefore, many 0days have been discovered via this approach in popular web frameworks written in trending programming languages, including Python, Ruby, Java, and JavaScript.
Being a very fundamental problem that exists in path normalization logic, sophisticated web frameworks can also suffer. For example, we've found various 0days on Java Spring Framework, Ruby on Rails, Next.js, and Python aiohttp, just to name a few. This general technique can also adapt to multi-layered web architecture, such as using Nginx or Apache as a proxy for Tomcat. In that case, reverse proxy protections can be bypassed. To make things worse, we're able to chain path normalization bugs to bypass authentication and achieve RCE in real world Bug Bounty Programs. Several scenarios will be demonstrated to illustrate how path normalization can be exploited to achieve sensitive information disclosure, SMB-Relay and RCE.
Understanding the basics of this technique, the audience won't be surprised to know that more than 10 vulnerabilities have been found in sophisticated frameworks and multi-layered web architectures aforementioned via this technique."
How to avoid top 10 security risks in Java EE applications and how to avoid themMasoud Kalali
If you want to learn what are the top ten security risks that a software engineer requires to pay attention to and you want to know how to address them in your Java EE software, this session is for you. The Open Web Application Security Project (OWASP) publishes the top 10 security risks and concerns of software development periodically and the new list is published in 2013.
Developers can use Java EE provided features and functionalities to address or mitigate these risks. This presentation covers how to spot these risks in the code, how to avoid them, what are the best practices around each one of them. During the session, when application server or configuration is involved GlassFish is discussed as one of the Java EE 7 App server.
As presented at LinuxCon/CloudOpen 2015 Seattle Washington, August 19th 2015. Sagi Brody & Logan Best
This session will focus on real world deployments of DDoS mitigation strategies in every layer of the network. It will give an overview of methods to prevent these attacks and best practices on how to provide protection in complex cloud platforms. The session will also outline what we have found in our experience managing and running thousands of Linux and Unix managed service platforms and what specifically can be done to offer protection at every layer. The session will offer insight and examples from both a business and technical perspective.
Custom, in depth 5 day PHP course I put together in 2014. I'm available to deliver this training in person at your offices - contact me at rich@quicloud.com for rate quotes.
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Check out the webinar slides to learn more about how XfilesPro transforms Salesforce document management by leveraging its world-class applications. For more details, please connect with sales@xfilespro.com
If you want to watch the on-demand webinar, please click here: https://www.xfilespro.com/webinars/salesforce-document-management-2-0-smarter-faster-better/
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6. OWASP TOP 10 2013
A1- Injection
A2- Broken authentication and session management
A3- Cross-site scripting (XSS)
A4- Insecure direct object references (IDOR)
A5- Security misconfiguration
7. OWASP TOP 10 2013 (CONT’D)
A6- Sensitive data exposure
A7- Missing function level access control
A8- Cross-site request forgery (CSRF)
A9- Using components with known vulnerabilities
A10- Unvalidated redirects and forwards
21. DEFENCE AND MITIGATION
•Dynamic testing (DAST)
•Find instances of parameters in source code- explicitly
select first or last
•Check your WAF
•Output encoding
•Best case- strip duplicate parameters before processing
23. SOURCES & FURTHER READING
•https://dunnesec.com/category/attacks-defence/http-parameter-pollution/ (@Dunn3)
•https://www.owasp.org/index.php/Testing_for_HTTP_Parameter_pollution_(OTG-
INPVAL-004)
•AppSec EU 2009 - presentation by Luca Carettoni and Stefano di Paola (https://
www.owasp.org/images/b/ba/AppsecEU09_CarettoniDiPaola_v0.8.pdf)
•Split and Join white paper on bypassing web application firewalls with HTTP
parameter pollution, by Lavakumar Kuppan (http://www.andlabs.org/whitepapers/
Split_and_Join.pdf)
•Automated Discovery of Parameter Pollution Vulnerabilities in Web Applications, by
Marco Balduzzi, Carmen Torrano Gimenez, Davide Balzarotti, and Engin Kirda (https://
www.isoc.org/isoc/conferences/ndss/11/pdf/6_1.pdf)
26. COMMON GOTCHAS
•Have you caught the right character case?
•Word boundaries
•Do you really need to use “*"?
‣Example: d*|w+ matches 1, table, admin, user, 12345, etc.
•Special characters
•Don’t try to parse HTML with regular expressions.
‣Just don’t.
28. Whitespace and multiline abuse
to remote code execution
https://nvisium.com/blog/2015/06/11/regex-regularly-exploitable/
•Regex: /^[/a-zA-Z0-9-s_]+.rpt$/m
‣file123_2.rpt
•file123_2%0Acat%20/etc/passwd%0A.rpt
•file123_2.rpt%0Acat%20/etc/passwd
•Used to be the default in Ruby on Rails.
‣javascript:alert('XSS')%0Ahttp://
validurl.com%0A<script>alert('More XSS');</script>
29. Blacklist bypass to XSS
•http://web.site/cg/aLink.do?state=abc
•URL-encoded “</title>” is caught
•http://web.site/cg/aLink.do?state=abc%3C/
title%20id=%22a%22%3E%3Cimg%20src=x%20on
error=alert%289%29%3E
https://deadliestwebattacks.com/2014/09/09/bad-code-entitles-good-exploits/
33. DEFENCE AND MITIGATION
•Keep it simple
•Perform transformations in stages
•Test, test, test some more
‣Have some fresh eyes take a look
•Use proven regular expressions
‣IPv4 address: /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).){3}(?:
25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/
•Whitelist, not blacklist
37. SSRF - OVERVIEW
•Bypass firewalls
•Reach internal network
•Often an application attack becomes network attack
•Useful for enumeration and reconnaissance
‣Further hides attacker’s source IP
•Often introduced to bypass SOP (it’s a feature!)
•Can be leveraged to get XSS via returned content
47. TESTING FOR SSRF
•Is a URL provided in a request? Change to:
‣Another remote URL (e.g. google.com)
‣Loopback address (e.g. localhost, 127.0.0.1)
‣Local IP (e.g. 192.168.0.1, 10.10.0.1, 172.16.0.1)
‣Different protocol URL (e.g. “file://“, “ssh://“, “ftp://“)
‣Different port
•Burp Suite Intruder works really well for automating this
‣Sort by response sizes
48. TESTING FOR SSRF (CONT’D)
•Got XXE? Try specifying system or external URIs (e.g. file:///
etc/passwd)
‣More info: https://www.owasp.org/index.php/
XML_External_Entity_(XXE)_Processing
•Use Burp Suite’s Collaborator servers for external resources,
if you don’t have your own
50. DEFENCE AND MITIGATION
•SOP exists for a reason
‣DO NOT use JSONP or other server workarounds
‣DO use CORS
•Again- whitelist allowed domains and protocols, and
sanitize input
•Access control between server and internal network
55. OWASP TOP 10 2013
A1- Injection
A2- Broken authentication and session management
A3- Cross-site scripting (XSS)
A4- Insecure direct object references (IDOR)
A5- Security misconfiguration
56. OWASP TOP 10 2013 (CONT’D)
A6- Sensitive data exposure
A7- Missing function level access control
A8- Cross-site request forgery (CSRF)
A9- Using components with known vulnerabilities
A10- Unvalidated redirects and forwards
