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Can website favicons have viruses?
I'm asking this, because Mozilla wants to plan to implement a new feature: Favicons import from IE/Safari/Opera/Chrome, and I have fear of this new feature.
In short, can favicon virus that won't attack the Chrome, but it attack the Firefox be transferred through this new favicon import feature?
Is this risk, if the Mozilla implement this feature?
I have inspiration for this post from:
VERIFIED (rmacoy) in Firefox - Migration. Last updated 2023-04-26.
bugzilla.mozilla.org
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Windows 11 22621.1194 (64-bit)
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Any flaw in a system can be leveraged to deliver malware. This does not mean the icons themselves are malware. Just that if a flaw is discovered in say how an icon is rendered someone could potentially find a way to craft an image file to do something unexpected such as download malware.
I don't understand why the favicon for a Web site would need to be imported, the Web address or URL would be what is needed. The favicon usually is just a small image that shows on the tab when open in Firefox, mine is. I haven't used it in some time but there used to be programs that can import/capture the icons.
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Win11 Pro RTM
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Dell Vostro 3400
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Intel Core i5 11th Gen. 2.40GHz
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12GB
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I don't understand why the favicon for a Web site would need to be imported,
So that it can be displayed in your bookmarks/favorites after you leave the site.
The fav icon code usually looks like this:
HTML:
<link rel="icon" type="image/x-icon" href="/images/favicon.ico">
If you don't have this imported or you have deleted or transfered favorites, it would look like this:
OS
Windows 11 Pro for Workstations
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Laptop
Manufacturer/Model
ASUSTeK COMPUTER INC. TUF Gaming FX705GM
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2.20 gigahertz Intel i7-8750H Hyper-threaded 12 cores
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ASUSTeK COMPUTER INC. FX705GM 1.0
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24428 Megabytes
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Intel(R) UHD Graphics 630 / NVIDIA GeForce GTX 1060
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Intel(R) Display Audio / Realtek(R) Audio
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Integrated Monitor (17.3"vis)
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FHD 1920X1080 16:9
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AMD Dual Core A6-9220
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ASUS
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AMD Radeon R5 M420
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Realtek
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17.3
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1600X900 16:9
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1TB 5400RPM
I have the favicons on the Bookmarks in Firefox I've saved.
OS
Win11 Pro RTM
Computer type
Laptop
Manufacturer/Model
Dell Vostro 3400
CPU
Intel Core i5 11th Gen. 2.40GHz
Memory
12GB
Hard Drives
256GB SSD NVMe M.2
Operating System
Windows 11 Pro RTM x64
Computer type
PC/Desktop
Manufacturer/Model
Dell Vostro 5890
CPU
Intel Core i5 10th Gen. 2.90GHz
Memory
16GB
Graphics card(s)
Onboard, no VGA, using a DisplayPort-to-VGA adapter
Monitor(s) Displays
24" Dell
Hard Drives
512GB SSD NVMe, 4TB Seagate HDD
Browser
Firefox, Edge
Antivirus
Windows Defender/Microsoft Security
Pragmatic Member
Pro User
VIP
I have the favicons on the Bookmarks in Firefox I've saved.
Irrelevent.
I guarantee that all those icons are cached on your machine. That is what cache is there for.
Try transferring those favorites to another browser and you will lose all of them - the links would still function however-
OS
Windows 11 Pro for Workstations
Computer type
Laptop
Manufacturer/Model
ASUSTeK COMPUTER INC. TUF Gaming FX705GM
CPU
2.20 gigahertz Intel i7-8750H Hyper-threaded 12 cores
Motherboard
ASUSTeK COMPUTER INC. FX705GM 1.0
Memory
24428 Megabytes
Graphics Card(s)
Intel(R) UHD Graphics 630 / NVIDIA GeForce GTX 1060
Sound Card
Intel(R) Display Audio / Realtek(R) Audio
Monitor(s) Displays
Integrated Monitor (17.3"vis)
Screen Resolution
FHD 1920X1080 16:9
Hard Drives
2 SSD SATA/NVM Express 1.3
PSU
19V DC 6.32 A 120 W
Cooling
Dual Fans
Mouse
MS Bluetooth
Internet Speed
Fiber 1GB Cox -us & 400MB Orange-fr
Browser
Edge Canary- Firefox Nightly-Chrome Dev
Antivirus
Windows Defender
Other Info
VMs of Windows 11 stable/Beta/Dev/Canary
Operating System
Windows 11 Insider Canary
Computer type
Laptop
Manufacturer/Model
ASUS X751BP
CPU
AMD Dual Core A6-9220
Motherboard
ASUS
Memory
8 GB
Graphics card(s)
AMD Radeon R5 M420
Sound Card
Realtek
Monitor(s) Displays
17.3
Screen Resolution
1600X900 16:9
Hard Drives
1TB 5400RPM
Microsoft 365 Basic
Pro User
VIP
Criminals register fake domain to hide their web skimmer as an innocuous image file.
www.malwarebytes.com
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Windows 11 Home
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PC/Desktop
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AMD Ryzen 5 8600G (07/24)
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ASROCK B650M-HDV/M.2 3.18 (07/24)
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2x32GB Kingston FURY DDR5 5600 MHz CL36 @4800 CL40 (07/24)
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ASROCK Radeon RX 6600 Challenger D 8G @60FPS (08/24)
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Creative Sound BlasterX AE-5 Plus (05/24)
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24" Philips 24M1N3200ZS/00 (05/24)
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1920×1080@165Hz via DP1.4
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Kingston KC3000 NVMe 2TB (05/24)
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Seasonic Core GM 550 Gold (04/24)
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Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
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Logitech M330 Silent Plus (04/23)
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500/100 Mbps via RouterOS (05/21) & TCP Optimizer
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Edge & Brave for YouTube & LibreWolf for FB
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NextDNS
Other Info
Backup: Hasleo Backup Suite (PreOS)
bugzilla.mozilla.org
