Questions tagged [flash]

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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Opening a SWF file in VLC Player?

I was browsing a really old site that had tutorial videos using Adobe Flash Player. I tried opening the site in way back machine, which runs Ruffle. That didn't seem to work. So, I downloaded the swf ...
ejlu's user avatar
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207 views

Why is Secure Boot in an ECU required when there is Secure Flashing capabilities?

it seems state of the art that the autmotive electronical Control units (ECUs) contain security features as Secure Flashing and Secure Boot. For secure flashing, each new software to be programmed is ...
UserUser's user avatar
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USB flash drive password

Is it possible to add a password in a USB Flash drive as a security measure by end user so that the data is not visible or tampered by somebody else? As soon as the USB flash drive is connected to the ...
Prashant Akerkar's user avatar
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2 answers
268 views

When receiving PDFs from unknown sources, is it sufficient to remove dynamic content to minimise attack surface?

My company allows customers to upload PDFs, JPEGs and PNGs to our servers, which are then viewed by clients. We want to minimise the potential for attack on the clients. While the image formats are ...
DividedByZero's user avatar
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578 views

Is there any way to validate the firmware in a USB flash drive?

I bought a pair of USB flash drives made by Huawei and I want to know if there are any tools in existence for verifying that the firmware on these drives is secure. I bought them for researching this ...
Phillip H. Blanton's user avatar
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Is flash less secure now that it is End of Life? [closed]

As of this month, the Flash player has been disabled from all mainstream browsers. However, several platforms are still offering ways to use Flash content, most notably the games hosted on said ...
Dennis Jaheruddin's user avatar
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2 answers
311 views

Are there any ways to safely use Adobe Flash?

In this hot question on Gaming, the asker wants to know how to continue playing FarmVille. Answers and comments exlpain ways to do so, but no one currently has a solution that seems safe to me. ...
zr00's user avatar
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Does the WP(Write Protect) pin of a USB flash memory controller prevent tampering with its firmware?

Does WP(Write Protect) pin of a USB flash memory controller prevent tampering with its firmware? I want to have an USB stick that I can make it read-only and insert it in any untrusted PC without ...
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Flash Vulnerabilities

What type of risks do I expose myself to by enabling flash in the browser? Web developers or online game developers who can use those vulnerabilities to crash my computer or exploit it by downloading ...
ben 's user avatar
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Inconsistent behavior while attempting to exploit a misconfigured flash crossdomain.xml

victim.com - URL of the misconfigured application. https://victim.com has an overly permissive crossdomain.xml at https://victim.com/crossdomain.xml. <?xml version="1.0"?> <!DOCTYPE cross-...
hax's user avatar
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On The Use Of Unsanboxed Plugins In The Chrome Browser

The following questions relate to unsandboxed plugins under Settings > Advanced > Content settings > Unsandboxed plugins. The first thing I'd like to know is whether this setting is basically for ...
Daniel Heisberg's user avatar
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Will browser isolation solution protect our enterprise from Flash and JavaScript exploits and fileless malware?

Since we didn't see any pentest done to bypass on such solution, we don't really know if it worth purchasing such type of solution. Will this really protect us from Flash and JavaScript exploits, ...
Filipon's user avatar
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JSON-CSRF using Flash SWF Doesn't make POST request

I was trying to recreate a POC where an endpoint didn't have CSRF protection and was exposing a form submission. So, I have read these ( before asking here ): Vimeo hackerone Report by avlidienbrunn ...
temporarya's user avatar
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1 answer
370 views

Secure way to run Flash on Chrome?

I kinda addicted to Little Big Snake, an online game that requires Flash. I'm trying to find a secure way to play this game on Ubuntu using Chrome. I tried Firejail but the game is very laggy with it....
justlinx69's user avatar
66 votes
6 answers
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Why should we care about Adobe Flash?

I was under the impression that Adobe Flash was dead, and that browsers were no longer natively supporting Flash? Why therefore, is there a large amount of hype online about a new remote code ...
KingJohnno's user avatar
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How can javascript files represent a flash-based XSS vulnerability?

I am hosting a static website (no PHP etc., just HTML/JavaScript/CSS) with a security-conscious hoster that proactively removes vulnerable files. This is fine with me. However, their last report ...
Marcel's user avatar
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3 votes
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Deliberately vulnerable Flash applications?

I'm trying to find some deliberately vulnerable Flash applications that I can practice security testing on (in the same vein as applications like the Damn Vulnerable applications). Ive noticed there ...
Brewer's user avatar
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Adobe Flash and Meltdown / Spectre

Many browsers have received updates to protect against the Meltdown and Spectre attacks. I presume these patches relate (solely) to JavaScript execution within the browser. Java in the browser is as ...
Maarten Bodewes's user avatar
2 votes
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628 views

How can I decrypt my iphones nand flash memory if I have the pin but phone won't turn on? [closed]

Is there some sort of device I can plug my nand flash chip into and then input my pin and get my old notes and things back?
Robert Shiteau's user avatar
1 vote
1 answer
1k views

Crossdomain.xml - write access to domain

Is a permissive crossdomain.xml Flash policy analogous to a permissive CORS policy? i.e. Is <cross-domain-policy> <allow-access-from domain="*" /> </cross-domain-policy> the ...
SilverlightFox's user avatar
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Testing Adobe Flash - SWF Stack Corruption

For didactic purposes I have a windows 7 VM with IE11 and Adobe Flash 18.0.0.203. Also, I must test if CVE-2017-2988 can be executed on it. I have downloaded the stackbad.swf, inserted it in an index....
AlexandruC's user avatar
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Recent persistent popups on Chrome trying to get me to download "Flash" [duplicate]

EDIT: I don't think this is 100% a duplicate, so if you've recently (around May 9th 2017) been seeing popups telling you to download Flash, I'd read on before following the link. It appears my Mac ...
Sasha's user avatar
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Flash drive returning odd files, and self creating others, any ideas?

I was sanitising a USB drive and after wiping it I ran Recuva to check the results. It finds a file called [000001].flv which is 113MB. The file starts with FLV and then the data looks random, ...
Mar's user avatar
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CSRF Bypass using ActionScript via weak CrossDomain.xml

I have a target which has weak CrossDomain.xml but it prevents CSRF attack looking at one of the custom HTTP headers. I found following actionscript on a couple of websites, which works perfectly ...
shellcode's user avatar
5 votes
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10k views

Why is Google Chrome blocking raw SWF playback?

If you attempt to visit the URL of a raw SWF file, Chrome 57 refuses to display and instead asks if you want to download, with the warning "This type of file can harm your computer". However, if you ...
Foo Bar's user avatar
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2 answers
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Are interactive Flash (SWF) ad banners a security threat?

Many times you have seen banners (Flash ads) on websites, where, when you move your mouse over the banner (without clicking it), you see how an animation in the banner starts moving toward your mouse ...
T.Todua's user avatar
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4 votes
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9k views

Can a website know whether I'm streaming or downloading content?

I'm taking a paid online course in which the videos are streamed through Flash. After much trouble such as quality fluctuations, unexpected changes in playback speed and frozen screens (also ...
narnarnarnar's user avatar
1 vote
1 answer
122 views

Does the Flash installer use an encrypted download?

A lot of popular applications use customer downloaders rather than allow the user to download the installation binary directly from Adobe, or whoever the OEM might be. For example, here is the Flash ...
Tyler Durden's user avatar
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1 vote
3 answers
395 views

Are Flash .SWF apps (browser) a security threat? [closed]

Are Flash (.swf components on webpages) a security threat? Flash banners (without any user interaction, not asking for any permission... just like static .swf add-slideshow)? Flash apps, that require ...
T.Todua's user avatar
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1 vote
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166 views

Load non-existent flash file through service worker

Using Service Workers it is possible to load non-existent files with the fetch event handler, however this does not seem to work when loading flash files. Is there any way in any browser to do this ...
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Repercussions of disabling file read and write in Adobe Flash player?

There are three settings in mms.cfg that I want to disable. It will disable file download and upload for Adobe Flash, but does it have any deeper issues? LocalFileReadDisable = 1 FileDownloadDisable =...
ankit dangi's user avatar
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1 answer
145 views

Repercussions of disabling sockets in Adobe Flash player? [closed]

I am bit of a newbie to Flash exploits but I have heard that they use sockets to connect to a C&C server. According to the administration guide, I can disable sockets like this: DisableSockets = ...
ankit dangi's user avatar
2 votes
0 answers
636 views

Flash Cross-Domain Proof of Concept

In the past, I have been able to successfully test insecure Flash cross-domain policies by using tools such as the followings: https://thehackerblog.com/crossdomain/ https://github.com/nccgroup/...
Gurzo's user avatar
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How can Flash detect my IP address even when I am behind a proxy?

I'm new to cybersecurity, but I always knew some basic things, or at least I thought so, until I found out that the Flash app may actually get my real IP address even if I'm behind elite proxy. How ...
afriendofafriend's user avatar
1 vote
1 answer
156 views

Can streaming services, movies, series, be used to infect my computer?

I have been thinking about starting to Watch Movies and series online using streaming (legal). I was wondering if there are any vulnerabilitys in these services which can affect me as a user. I have ...
Olba12's user avatar
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4 votes
1 answer
165 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 ...
davidb's user avatar
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1 vote
1 answer
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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 ...
CarlGammaSagan's user avatar
6 votes
1 answer
2k 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 ...
Jedi's user avatar
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1 vote
1 answer
280 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 ...
Ulf 's user avatar
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1 vote
1 answer
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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 ...
user857990's user avatar
2 votes
1 answer
686 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....
NSNoob's user avatar
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3 votes
1 answer
13k 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 ...
sanjihan's user avatar
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3 votes
2 answers
1k 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 ...
Kshitij Desai's user avatar
2 votes
2 answers
214 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 ...
whatever489's user avatar
1 vote
1 answer
616 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....
Anonymous Platypus's user avatar
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2 answers
131 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 ...
Patrick W. McMahon's user avatar
1 vote
1 answer
139 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-...
MonkeyZeus's user avatar
20 votes
2 answers
1k 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 ...
mostlyinformed's user avatar
2 votes
0 answers
2k 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 ...
voices's user avatar
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-1 votes
2 answers
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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 ...
Gdek's user avatar
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