Risks associated with the Adobe Flash animation file format and its use on the web, as well as Flash player applications. For flash drives, use the tag flash-memory.

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3
votes
0answers
39 views

Is filtering flash based on the mimetype enough to keep it out?

As flash is a real security mess I started blacklisting flash at our proxy by blocking any content with the mime type application/x-shockwave-flash which works pretty well as far as I can tell. The ...
0
votes
1answer
46 views

How to deal with possibility of viruses on Dropbox, Google Drive, external hard drive, etc?

For home use, what is the best way to deal with viruses that could be on external storage, which seems like a great way for hackers to persist on your system even after a reformat. Maybe the best ...
0
votes
2answers
539 views

How exactly does this Flash malware function on Ubuntu?

In this video, an experienced Ubuntu user manages to infect his system with some sort of malware. This is the first example I've ever seen of truly successful malware in the wild aside from privilege ...
0
votes
0answers
7 views

What are the security implications of external call by moviecliploader.loadclip(externalUrl)

I want to use a piece of Actionscript in this fashion var loader = new moviecliploader(); loader.loadclip("http://" + imageLocation, imageHolder); The web application firewall will keep out any jar:...
1
vote
0answers
57 views

Detecting disabled Chrome plugins using JavaScript

My cable was on the fritz this weekend and I had to visit a friend to watch HBO online. Something weird happened that has been bothering me. I have disabled the Flash plugin on Chrome, since all ...
0
votes
1answer
48 views

Secure crossdomain for rtmp/flash streaming/wowza

I've been a bit lost. I have the following situation: Flash Player file is on https://sub.example.com/player.swf crossdomain.xml is on https://sub2.example.com/crossdomain.xml Streaming is done ...
2
votes
1answer
70 views

Is it possible to encode a Flash exploit with msfencode?

I am using a Flash exploit from metasploit, exploit/multi/browser/adobe_flash_hacking_team_uaf. The Cisco FirePOWER services notice these signatures and drop the packets. I was wondering about the ...
2
votes
1answer
107 views

What to do with an APK file containing Swf.Exploit.CVE_2015_0323-1 and ELF File?

I received an APK file from a source. Prior to installation, I ran a virus scan on it. The result had following main features: The file contained Swf.Exploit.CVE_2015_0323-1 It required android....
2
votes
1answer
99 views

How to detect, inspect and delete a super cookie of a specific website? [closed]

Definition of supercookie from the paper I am reading: "Supercookies settle in parts of the system that are harder to erase, and include the usage of Flash Local Shared Objects and IE Local ...
1
vote
2answers
71 views

Is crossdomain policy file required by EVERY web application?

1) If a web application does NOT use any Flash content, does it require crossdomain / clientacess policy file ? 2) If a web application does not host crossdomain / clientaccess policy file, is it ...
2
votes
2answers
76 views

What could a malicious website do if you don't update Adobe Flash?

If you click on "Activate Adobe Flash" when Firefox warns that "this plugin is vulnerable and should be updated", you can still use Adobe Flash. What could a website do to you if the "plugin is ...
2
votes
2answers
335 views

Is a browser with disabled scripts and disabled java enough against malware

Is a browser like Firefox with disabled scripts (for example via a plugin like no-script) and disabled Java enough to be protected against drive-by-malware from the internet. Of course this does not ...
1
vote
1answer
61 views

Stealing user cookies with flash/actionscript

I know I am asking a dumb question here, but pardon me, I am learning. I found two questions viz, How do I access cookies within Flash? and How to Make a button send an email using AS3 automatically....
0
votes
2answers
53 views

chrome invisible flash document

I have it so flash doesn't start on page load for security and performance. Lately I have been noticing That some pages will load with a flash document that takes up the full screen. I can see it as ...
1
vote
1answer
75 views

FireFox inadvertedly increasing security?

With the known advent of Flash-based cookies and recently something called super-cookies, security and anonymity has become something more of a luxury rather than the norm and merchants want to super-...
5
votes
1answer
473 views

Is Adobe Flash Player installer redirect due to a malware?

When I go to http://get.adobe.com/flashplayer/ 'Install Now' will redirect me to their homepage without downloading the update or any explanation. What could be going on? Is some malware ...
14
votes
2answers
957 views

What was behind the surge of Adobe Flash Player vulnerabilities/patches in 2015?

It's no secret that 2015 was a rough year, security-wise, for Adobe's Flash Player. Aside from Adobe itself beginning to essentially deprecate Flash development largely due to Flash Player's ...
9
votes
2answers
174 views

Secure Flash with click to play plugins in the enterprise

In the light of recent repeated critical Flash vulnerabilities there are recommendations to use browser plugins like click-to-play to prevent unnecessary Flash content from automatically loading with ...
2
votes
0answers
204 views

USB Rubber Ducky Firmware Upgrade [closed]

I just erased my firmware, using dfu-programmer-0.7.2: $ dfu-programmer at32uc3b1256 erase Checking memory from 0x2000 to 0x3FFFF... Not blank at 0x2001. Erasing flash... Success Checking memory from ...
-1
votes
2answers
108 views

How do researchers identify vulnerability in closed source software? [closed]

Came across an article, it is about the new BadWinmail vulnerability in Outlook. Being a closed-source software, how do researchers manage to point out that Outlook is not sandboxing the flash? Is ...
8
votes
2answers
10k views

Is the service join.me actually a huge security risk?

In case you don't know, there is a website called join.me which lets you do screen sharing from a browser, using a flash program that is on the web page. Until I encountered this service, I had no ...
45
votes
3answers
4k views

For an end-user, is HTML5/JavaScript more secure than Flash?

I’m not talking about server-side security or even necessarily XSS vulnerabilities, as these are attacks on vulnerable services and do not use any pre-existing vulnerabilities on the client side to ...
1
vote
2answers
260 views

Is HTML5/JavaScript more secure than Flash/Java, as the browser becomes more like an OS? [closed]

I have been asked to post this here: I want to focus on the security of the end-user in these two different scenarios: 1) Pre HTML 5 where the applications and so on lived in plug ins outside the ...
1
vote
1answer
579 views

ClamAV Flagging application .swf files as malware

ClamAV scans on our application servers are identifying some of our legitimate Flex .swf files as malicious, specifically citing CVE-2015-5548 (specifically, "Swf.Exploit.CVE_2015_5548 FOUND"). ...
4
votes
1answer
507 views

Is it possible to log web sites that require Adobe Flash?

We would like to block the use of Flash on our internal network, but believe that several business-critical sites may still rely on that app. I'd love to be able to "watch" the traffic for several ...
0
votes
0answers
110 views

Adobe Flash-based site's UI misbehaves when it's accessed through a VPN. Is it leaking my real ip address?

Here is a setup: A Linux/Windows VM at home (will call it "hidden VM" from now on) which is placed into an isolated environment (it's located in its own isolated virtual network, and the only way ...
2
votes
1answer
190 views

Is it possible to feed Firefox Flash plugin with controlled data for privacy reasons?

For privacy and security reasons, it would be strongly recommended to deactivate the Flash plugin in the browser. But I don't want to deactivate it, I want to fake privacy relevant information. ...
2
votes
2answers
324 views

The Spring Security framework recommends against using double-submit cookies to prevent CSRF. Is their concern legitimate?

I was about the Spring Security framework's CSRF protection to see how it works. Spring doesn't use the double-submit pattern, but instead associates the CSRF token with the user's session. The ...
2
votes
3answers
270 views

Is Firefox on Ubuntu less secured (does it not confine Flash)?

Ubuntu Linux makes it easy to install Flash as soon as you encounter it. Just like Firefox on Windows really! Using Ubuntu's package it even provides security updates through the standard OS method[...
3
votes
1answer
512 views

Should Flash be disabled, or are sandboxes secure enough?

Flash is a hot bed of vulnerabilities. Chrome contains a built in version of Flash, running in sandboxed mode. Obviously, this method is safer than running Flash as a plugin in either Firefox or IE. ...
1
vote
2answers
132 views

How much information a Flash program (Flash app) can gather about computer when running?

Does anyone know if a Flash web application has access to local hard drive? What about OS information or hardware information? If I allow webcam and microphone access, how much information can it get ...
1
vote
1answer
124 views

Is it possible to get a flash src after a redirect or an element inside an embed/object/iframe tag (cross-domain)?

The URL example.com/auth will automatically redirect the user (HTTP 302) to example.com/signed_in.SWF?token=SENSITIVE. Is it possible for an attacker to steal the token, using javascript or flash, in ...
-2
votes
2answers
569 views

Does Microsoft EMET protect against latest Hacking Team Adobe Flash 0-day exploit?

If I were to not update Adobe Flash and instead used the old version (from before the Hacking Team 0-day exploit was published in the internet), in that case, would Microsoft EMET protect me from the ...
4
votes
4answers
631 views

Is flash or javascript a bigger security concern? [closed]

Many flash website whitelisting extensions for chrome (such as flashblock and flashcontrol) use javascript in order to selectively block Adobe Flash from functioning. Thus, In order to get this ...
0
votes
3answers
189 views

My Mom's Flash Player [closed]

So I am slightly more than a dilettante when it comes to security but hardly an expert. I have been reading up on the recent Adobe Flash issues and I wanted to ask a couple of questions: My Mom ...
2
votes
4answers
2k views

Is it safer to design websites and servers with HTML5 rather than flash?

I run a small business, designing and building websites. Currently our websites we build use Adobe Flash. We are thinking about migrating to HTML 5, are there any security advantages in doing such a ...
6
votes
2answers
454 views

Why are Adobe Flash exploits found so often? [closed]

Over the last couple of years Adobe Flash published bug fixes for (zero-day) exploits so often, that the installation is already annoying. But why are exploits so often found in this particular ...
6
votes
3answers
240 views

find if 0-day flash bug was exploited (on a particular machine)

There have been several critical 0-day exploits in the past days/weeks in Flash alone. Nobody knows how long the 0-days have been exploited, and it is reasonable to expect that there are 0-days being ...
10
votes
6answers
3k views

Can Javascript/Flash verify the SSL connection to prevent “SSL Inspection”?

I'd like to determine if an SSL webpage is being debugged through Fiddler, or if it's going through an SSL Proxy. So some people may ask What is the point of re-validating SSL using javascript? ...
2
votes
1answer
113 views

Click to play plugins vs. AdBlock?

Reading through articles like Faked Flash-based ads... I'm wondering what is a better way to keep yourself safe from malvertising. Many people suggest setting your browser's plugin settings to "Click ...
3
votes
3answers
916 views

Flash ignores Content-Type header, allowing XSS?

I recently read that the Flash plugin ignores the Content-Type header in certain circumstances. In particular, you can give Flash a URL, and the Flash plugin will happily fetch the content at that ...
0
votes
1answer
75 views

Secure keyboard entry with JavaScript or Flash?

Is it possible to perform secure keyboard entry (similar to what is offered in the OS X Terminal app) using only web technologies and/or Flash? If not, is there any way to more broadly guarantee ...
4
votes
5answers
658 views

Is it dangerous to serve user-uploaded Flash (SWF) files?

I'm working on a site that has CMS functionality. I'm considering allowing users to upload Flash (.swf) files and then displaying them on my site. Is this a bad idea? Is there a way to do this ...
1
vote
2answers
495 views

Can Hydra crack a flash-based login?

Is it possible to brute force a flash login with hydra? If not, what is a good tool to pen test a flash login?
3
votes
1answer
696 views

How is Cross Site Flashing performed?

I read about cross site flashing in the OWASP testing guide. I know the difference between XSS and XSF. But what I am looking for is how attackers perform a XSF attack. How is it possible since there ...
0
votes
1answer
111 views
3
votes
1answer
53 views

How to know 3rd party ads are safe?

It seems many sites use 3rd party flash ads, those ads could be design to attack user. Do those site know which ads are safe or not? Or they just transfer any ads to user browser? In general, how to ...
0
votes
1answer
114 views

Encrypting folders with flash drive key?

Is there any way to have a flash drive encrypted and it will only open with one computer that has the key in it?
1
vote
2answers
249 views

Buzzfeed just downloaded a binary file to my PC, unasked

The file is binary, named '96748', and it's 12.8kb in size. Ubuntu thinks it's an swf. Thank god I was in a Linux VM and not Windows. It doesn't seem to have done anything, and it's just sitting there ...
0
votes
1answer
306 views

Flash Objects SWF security (ExternalInterface.call)

I am performing a penetration test against a website that uses Flash. I found this piece of code: url = ExternalInterface.call("window.document.location.href.toString") as String; How it can be ...