A web browser is an application which uses http and related protocols to retrieve HTML and XML data from servers. As the web has become a critical source of information and communication, web browsers have become a critical component in information request, transfer, and management.

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JInitiator is obsolete and I should reject it on grounds of security, right?

I'm getting a lot of flack and resistance from developers for not allowing a large (200+ users) roll-out of Oracle's JInitiator (http://www.oracle.com/technetwork/testcontent/jinit-084453.html) as ...
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1answer
360 views

Do iframes maintain the security of the nested website?

I am planning to add iframes to my webpage to sites such as www.dropbox.com and was wondering if the security of the site would be impaired if i did this. As in, could peoples account be hacked if ...
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1answer
466 views

How did my homepage get changed in IE?

I have rarely used IE in the past. I just use it to test how a website looks. Today all of a sudden when I went on to open IE, it opened with a homepage that wasn't set by me. It was an address of a ...
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211 views

Is using a “Red” and a “Green” browser to balance LOB requirements and security a good approach?

I currently work in a manufacturing company with round about 5000 computers and 6000 employees. We use a lot of web based line of business applications (all internal, non over the Internet) in order ...
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Clients trust my custom CA

I'm sorry if this is a dumb question. I'm new to all this. I have a large number of users. I need to be able to generate SSL certs for various internal domain names. All of these certs need to be ...
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951 views

Web Certificate invalidation - You might be connecting to a website that is pretending to be [Site name]

Recently while trying to log-in to Facebook this notification starts to appear: At first I ignored it (by pressing Continue), but it started to popup every time I navigate through the website! I ...
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345 views

Strategy against browser exploits on Windows?

On a friend's computer is some kind of spam bot installed. It sends messages like Hello: I received my apple iPad 32GB ordered on an online shop (www.elevalley.com ) today. So exciting ...
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6k views

How to prevent installation of Google Chrome extensions

You can prevent the installation of Google chrome extensions on a Desktop?
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1answer
5k views

Is using RC4-MD5/RC4-SHA as SSL ciphers enough for most purpose?

In the AWS ELB, I have uploaded a cert and only selected "RC4-MD5" + "RC4-SHA" as the ciphers and scored A in the ssltest [1] If I using the default ELB setting, I can only score a C Since I am not ...
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1answer
4k views

Can your Windows or Linux username be exposed to websites?

For example: Accessing a website with javascript enabled can expose information such as browser, fonts and local time. Can it, theoretically, expose your Windows or Linux username? Will saving a ...
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2answers
303 views

Security of viewing a website containing Java applets offline

I've been wondering whether viewing a website offline increases the security risk. The reason why I'm asking is that having been a short time java applet developer (for a small task) I've come to ...
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314 views

On an “uncritical” site, is there any reason to NOT trust a self-signed certificate?

There are many sites that have self-signed ("untrusted" in Firefox) certificates. I then have the option to trust them or not. If I not trust them I can either leave the site or only visit the site ...
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404 views

Security of a Windows XP system after April 8th when running the latest Firefox or Chrome

As we all know, Microsoft stops developing security patches for Windows XP very soon. If a bug in the kernel was to be found that would allow an attacker to take control by, say, sending a specially ...
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1answer
138 views

Security consequence of Javascript hole in an online chat?

For an online chat that allows basic HTML, what happens if they leave an open way for a potential hacker to execute javascript on everyone who is in the chat? What is the worst thing they could do?
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1answer
162 views

Resources/materials for implementing secure web services?

I'm implementing a REST-style (note: it needs to be more pragmatic than canonical) web API and I would like to secure it. The language I'm using is rather fresh and doesn't have a lot of high quality ...
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1answer
515 views

Updated version of Browser Security Handbook

Google's Browser Security Handbook is a brilliant resource for web application security, and in particular, for understanding how browsers behave. It discusses many issues, and contains tables ...
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1answer
196 views

How can browser select suggestions for my private searches?

I use a VPN service that provides a pool of IP addresses, I clean history/cookies/etc - all the browsing data before a session. Regardless, when I type in the search of one particular search engine, ...
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1answer
1k views

Are there any know browsers that support file URL redirection?

I've been addressing an open-redirect issue and in experimenting with the latest fix, I noticed that updating the redirect's protocol to file resulted in a blank page on the browser. That is, ...
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1answer
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How to detect cookie stuffing attacks?

So the question is how to detect cookie stuffing attacks and how to protect against them? In case of image-based cookie stuffing I can detect that related resources are not loaded and therefore ...
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1answer
375 views

How secure is a https website? [duplicate]

Possible Duplicate: Does an established ssl connection mean a line is really secure When I visit a website -- say, https://ebanking.pick-your-bank.com -- my browser (fully patched version ...
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2answers
72 views

apple.com exploit attempt?

I recently browsed to apple.com; and the page crashed a few times, then after I reloaded I was given this alert after my browser attempted to redirect to ...
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1answer
122 views

Why did browsers deprecate 1024-bit RSA, but retain SHA-1?

I was reading Mozilla's security blog Phasing out Certificates with 1024-bit RSA Keys. Effectively, some browsers are deprecating 1024-bit RSA for CAs and Subordinate CAs because the certificate must ...
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1answer
144 views

What are some useful tags and payloads for HTML injection on CSP-protected sites?

I'm pen-testing a website that fixed most of its XSS vulnerabilities by just adding a Content Security Policy. There are still HTML injections in several places. I've tried to get a ...
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1answer
733 views

How does firefox sync password recovery work?

According to Mozilla Sync-new-security-model, Firefox servers are not able to decrypt your sync data without your password. So I figured that, the browser generates a key from your password, encrypts ...
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1answer
226 views

How can I avoid Canvas Fingerprinting?

Canvas Fingerprinting has been getting a lot of press these last few days. Here is a study I read on this topic: 1 and 2 What can I do to keep browsing anonymously and avoid this tracking method?
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1answer
960 views

How to disable caching of form data?

A web page accepts user name and password data within an HTTP POST request. This POST request actually shows up as an entry in the browsers history. After user logout from the application and ...
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1answer
352 views

Need help on understanding obfuscated code in CVE-2012-4969 exploit

As you may know this vulnerability was found a while ago in the wild and the exploit is available too, btw I'm having problem on understanding the obfuscated code. Is it necessary to use obfuscation ...
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How to display friendly notification about no TLS 1.0 support in browser [closed]

A browser that only has TLS 1.0 support won't be able to establish an HTTPS session with a server that has only TLS 1.1 and TLS 1.2 support. This typically results in a cryptic (to a normal user) ...
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1answer
296 views

Regarding Windows password and Chromes Remember password Feature

Google Chrome browser helps in password management by prompting users to remember their passwords for the websites. These saved passwords can be accessed from the browsers "settings" menu, and to do ...
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1answer
281 views

XSS via PDF when Content-Disposition: Inline?

There are kind of two questions here: Is it possible to have XSS in a PDF file when the Content-Disposition: is "inline"? If it is possible, does the pdf get access to the cookies for that domain ...
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1answer
518 views

How dangerous is a virus introduced to a malicious website in chrome?

I am using Google's Chrome browser under Linux (Ubuntu) 64 bit for web browsing. If I a virus uses for example a leak in the flash player, the virus will get the privileges of the user who started ...
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1answer
113 views

Secure Flash with Click to Play Plugins in the Enterprise

In the recent light of repeating critical Flash vulnerabilities there are recomendations to use browserplugins like click-to-play to prevent unnecessary flash content to automatically load with every ...
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3answers
772 views

Is Chrome in Metro Mode more secure than Chrome in Desktop Mode?

With Windows 8, Microsoft introduces the Metro Apps which run in a sandbox environment, and therefore should be more secure. I would be interested to know if this higher security that the metro apps ...
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216 views

How will SHA1 deprecation affect internal CA's?

I am hearing that the SHA1 Deprecation notices from MS/CHROME only apply to certs that are a part of a public trusted root program. This makes one believe that IE will have new logic built in to allow ...
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How can Bank of America tell that I'm logging in on a computer I haven't used with them before?

When you sign into Bank of America for the first time on a computer that you haven't used with them before, they detect this and force you to answer one of your security questions. I think I've seen ...
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7answers
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Can one reliably show HTTPS status in browser (not just the lock in the URL bar)?

I'm almost certain this isn't possible, as it would probably be too exploitable, but I wanted to ask the community just in case. Is there a way to determine and display the state of HTTPS on a page ...
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3answers
470 views

What is the actual security of this login page?

Please visit https://devforums.apple.com If I visit this site using my Safari 6 web browser, this page does not show the normal security indicator that secure sites normally show. Does this ...
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how can you inject malicious code into an innocent-looking URL?

I am learning about XSS attacks. Wikipedia says that in a non-persistent attack an attacker may provide an innocent-looking URL that "points to a trusted site but actually has an XSS vector." What ...
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2answers
701 views

Where do I get started in terms of learning how to exploit Java and Flash vulnerabilities? or browser exploitation in general

Another Java 0day was discovered today which got me thinking how browser exploitation (remote execution on clients browser) works. I am unable to find any books or resources online about browser ...
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2answers
3k views

How is it possible that a virus can infect the system if the browser is started with non-admin rights

If I open my web browser (for example firefox) in Windows 7 with activated UAC as normal user (non admin) a virus - which uses a security leak in my browser - will only gets privileges of the normal ...
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4answers
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FireFox's restore previous session restores logins authenticated by server's sessions

In a website I'm building when I login, close FireFox, open FireFox and try to go to the website again I must login again (as expected) BUT if I select "Restore Previous Session" I am logged in again. ...
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3answers
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What are methods for preventing browser hooking / drive-by downloads?

This question may be a bit too broad and open ended, however I'm hoping to get some good advice on this. With the advent of BeEF and more and more of the computers in networks being infected just by ...
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3answers
616 views

External cross domain include script

One of my web application underwent a vulnerability assessment recently, and one of the findings is about cross domain include script. Our web app uses addthis_widget.js from AddThis to bookmark ...
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2answers
2k views

Do most browsers handle mixed encrypted and unencrypted content correctly?

In Google Chrome, when I go to an encrypted page that contains unencrypted content, I get the following pop-down, which allows me to either load or not load the insecure content, making a clear ...
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4answers
226 views

Improving the privacy of a casual Web user

I am interested in improving the privacy available to me as a casual internet user with a default browser. I think that Tor is too slow and that the "Privacy Mode" in browsers isn't really practical. ...
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2answers
3k views

Why are CSRF tokens necessary?

It seems that the entire problem could be solved very elegantly by simply adding a new flag to the HTTP cookie specification. Similarly to how cookies flagged Secure will only be submitted by the ...
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2answers
595 views

Why do I get AV alerts when browsing a web page?

I'm using the latest version of Firefox and Windows is up to date. When I was browsing a webpage and clicked a link the browser displayed "connection has been reset" and AVAST poped-up saying "Alert!" ...
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695 views

Risks of serving untrusted content under HTTP Content-Type: text/plain?

Am I gonna run into XSS attacks by doing this, or will a file download be prompted? Are there security problems that would rise in a modern browser?
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Where's the security when a payment gateway let website handle Credit Card detail

Has anyone worked with eWay payment gateway before? Basically, there's a service endpoint where you post the customer's detail and credit card details from the web application after the browser sends ...
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3answers
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sslstrip vs. privoxy redirect rule on clients

I watched this video: http://www.securitytube.net/video/193 Now I'm thinking about an example. Suppose I have a privoxy proxy on my PC: user.action file (just part of it): { ...