CVE-2018-12108

An issue was discovered in Dropbox Lepton 1.2.1. The validateAndCompress function in validation.cc allows remote attackers to cause a denial of service SIGFPE and application crash via a malformed file...

Dropbox: Bypass Local Authentication (TouchID)

​​This report describes an attack to bypass TouchID in the Dropbox Mobile iOS application on jailbroken iOS devices. Dropbox doesn’t consider jailbroken devices in scope for our bounty program...

Russian Hacker Who Allegedly Hacked LinkedIn and Dropbox Extradited to US

A Russian man accused of hacking LinkedIn, Dropbox, and Formspring in 2012 and possibly compromising personal details of over 100 million users, has pleaded not guilty in a U.S. federal court after being extradited from the Czech Republic. Yevgeniy Aleksandrovich Nikulin, 30, of Moscow was arrest...

Sophisticated RedDrop Malware Targets Android Phones

A sophisticated strain of mobile malware targeting Android devices can extract sensitive data and audio recordings, run up premium SMS charges and then tries to extort money from victims. According to security firm Wandera the malware, dubbed RedDrop, is being distributed inside 53 Android...

Dropbox: Exposed Git Repo at http://fileserver.dropboxbusiness.com

The report revealed an exposed git repository on a vendor that Dropbox uses. This endpoint could allow an attacker to retrieve much of the source code and git history for this service which could potentially reveal sensitive information like application secrets. Thankfully, after performing an...

Dropbox: Forum posts and private messages are poorly sanitized, allowing execution of arbitrary JavaScript

The reporter informed us of both stored XSS vulnerabilities as well as unsafe css attributes that were allowed in forum posts due to TinyMCE editor. An upgrade to lithium's forum platform appears to have mitigated these vulnerabilities...

Hacked Password Service Leakbase Goes Dark

Leakbase, a Web site that indexed and sold access to billions of usernames and passwords stolen in some of the world largest data breaches, has closed up shop. A source close to the matter says the service was taken down in a law enforcement sting that may be tied to the Dutch police raid of the...

DBC2 (DropboxC2) - A Modular Post-Exploitation Tool, Composed Of An Agent Running On The Victim'S Machine

DBC2 DropboxC2 is a modular post-exploitation tool, composed of an agent running on the victim's machine, a controler, running on any machine, powershell modules, and Dropbox servers as a means of communication. This project was initially inspired by the fantastic Empire framework, but also as an...

Dropbox: Dropbox employee benefits documents are available in a test Dropbox folder

This report pointed out that we had left a shared link to a copy of our employee benefits documentation in a particular iOS build. This link was likely used for ad-hoc testing at some point and accidentally left in the build. While there is little security risk here, we removed the link from...

Cloud Client Side File Encryption: Cryptomator

Multi-platform transparent client-side encryption of your files in the cloud. Cryptomator provides transparent, client-side encryption for your cloud. Protect your documents from unauthorized access. Cryptomator is free and open source software, so you can rest assured there are no backdoors...

Dropbox: Android - Access of some not exported content providers

The report indicates a flaw in our Android application that would allow a malicious app to gain read/write access to some cached files provided the attacker knows the name of the files and other minor pieces of information. The vulnerability was caused by not validating the package name of an...

CVE-2014-8889

Dropbox SDK for Android before 1.6.2 might allow remote attackers to obtain sensitive information via crafted malware or via a drive-by download attack...

Western Digital My Cloud Products Dropbox App RCE Vulnerability

The Dropbox App of Western Digital My Cloud products is prone to an unauthenticated remote command execution RCE vulnerability. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

CVE-2014-8889

Dropbox SDK for Android before 1.6.2 might allow remote attackers to obtain sensitive information via crafted malware or via a drive-by download attack...

CVE-2014-8889

CVE-2014-8889 affects the Dropbox SDK for Android prior to 1.6.2. The issue was an implementation flaw that could enable remote attackers to obtain sensitive information through crafted malware or drive-by exploitation by leaking the nonce used in OAuth authentication, effectively tying a victim ...

'HoeflerText' Popups Target Browsers With RAT and Locky Ransomware

A malware campaign utilizing bogus popups that alert users to a missing web-font is targeting Google Chrome and Firefox browser users. The popups contain a malicious JavaScript file that initiates the download of either the NetSupport Manager remote access tool RAT or Locky ransomware. The...

App Layering Recipe for Dropbox

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August 1, 2017 – Morning Cyber Coffee Headlines – “August” Edition

Good morning! Sit with Carbon Black this morning over a cup of coffee or tea and browse a few industry headlines to get the day started. We’ve got just enough information below to get you through that first cup…enjoy! August 1, 2017 - Headlines Carbon Black in the News: Carbon Black Appoints Form...

Dropbox: Missing URL sanitization in comments can be leveraged for phishing

The report points out that a link in shared file's comments could say one thing in the text but actually point to another website. This is a risk we have always accepted: the document preview could also contain links, the legit links could point to shorteners. Additionally, Dropbox Paper supports...

DropboxC2C - A Post-Exploitation Agent Which Uses Dropbox Infrastructure For Command And Control Operations

DropboxC2C is a post-exploitation agent which uses Dropbox Infrastructure for command and control operations. DO NOT USE THIS FOR MALICIOUS PURPOSES. THE AUTHOR IS NOT RESPONSIBLE FOR ANY MISUSE OF THIS PROGRAM. Structure main.py - The "server" part which manages all the agents. agent.py - The...