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#Mozilla firefox for android for android#
#Mozilla firefox for android download#

#Mozilla firefox for android for android#

Customizable Home Panels: Customize and display your Firefox for Android Home panels however you like.

Safe: Make sure your browsing stays safe and private with extensive security settings, add-ons and features like Do Not Track. Smart: Share and search just how you like, and keep your favorite Web content a tap away with our most customizable and intuitive features yet. Fast, smart and safe, the official Firefox for Android browser from Mozilla offers more ways than ever to make your mobile browsing experience uniquely yours.įast: Access, browse and search the Web at blazing speeds. Meet our most customizable Android browser yet. “This just shows how seriously these guys take security issues in their platforms,” he said.We make it Firefox. The issue was patched by Mozilla in less than a month, earning Oliveira a $5,000 bug bounty reward. “In a real attack scenario, the malicious file would send the contents read to an attacker-controlled server, rather than outputting the contents in an alert modal.” He wrote: “It was possible to steal files from the device solely by having the victim visit a webpage. He then employed the use of Intent URIs to continue making use of Firefox moving the downloaded file to its internal directory.

#Mozilla firefox for android download#

Remote accessĪrmed with the above information, Oliveira demonstrated how a malicious webpage could trigger the automatic download of the profiles.ini file. Given that the exploit leverages Firefox’s content provider, it could be used to access any file on the device. “By opening with a content:// URI, we will leverage Firefox’s copying of the file to another location and accessing it via file://,” he said. To load the script, he created an iframe in the same file that “loads a content:// URI pointing to the file we are actually trying to read”. To retrieve this file, the researcher created a file with the same name, saving it in /sdcard/Download/profiles.ini. Read more of the latest browser security news This file contains information on where the cookie database is stored in the device.” “In this case I chose /data/user/0//files/mozilla/profiles.ini. “I needed to retrieve the contents of a private file by opening a file from the external directory. “I started off with simple testing,” he explained. In a detailed blog post published earlier today (November 16), Oliveira demonstrated how he was able to take advantage of the Same Origin Policy, which allows files to access their own contents, in order to force Firefox to dump sensitive files, including cookie information.

He added: “It appeared that Firefox was saving the content to a file, and then redirecting me to that created file – the file was being saved in the internal temporary folder /data/data/org.mozilla/firefox/cache/contentUri/.” Keep URIs open Security researcher Pedro Oliveira, who discovered the bug, explained: “When I tested Firefox’s use of content URIs, I noticed the address bar was changing while rendering the URI, redirecting me to a file:// URI.” This was due, in part, to the way Firefox uses content:// URIs, which enable Android devices to identify data in a content provider and can represent various files or database information.

The security bug, which impacted mobile devices running the Android Firefox app, allowed a malicious website to steal sensitive files, including cookies from any previously visited site. Mozilla rolled out rapid fix to address critical browser privacy issueĪ vulnerability in the mobile version of the Firefox browser exposed victims’ local files to attackers if they visited a specially crafted web page.