CVE-2018-20819

io/ZlibCompression.cc in the decompression component in Dropbox Lepton 1.2.1 allows attackers to cause a denial of service heap-based buffer overflow and application crash or possibly have unspecified other impact by crafting a jpg image file. The root cause is a missing check of header payloads...

CVE-2018-20819

io/ZlibCompression.cc in the decompression component in Dropbox Lepton 1.2.1 allows attackers to cause a denial of service heap-based buffer overflow and application crash or possibly have unspecified other impact by crafting a jpg image file. The root cause is a missing check of header payloads...

CVE-2018-20819

CVE-2018-20819 affects Dropbox Lepton 1.2.1, specifically the decompression code io/ZlibCompression.cc. The root cause is a missing check of header payloads that may be larger than the maximum file size, enabling a heap-based buffer overflow that can crash the application and may have unspecified...

CVE-2018-20820: Integer Overflow or Wraparound

readujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service application runtime crash because of an integer overflow via a crafted file...

PT-2019-10257

Name of the Vulnerable Software and Affected Versions: Dropbox Lepton version 1.2.1 Description: The issue is related to a missing check of header payloads in the decompression component, specifically in the io/ZlibCompression.cc file. This allows attackers to craft a jpg image file that can caus...

CVE-2018-20819: Out-of-bounds Write

io/ZlibCompression.cc in the decompression component in Dropbox Lepton 1.2.1 allows attackers to cause a denial of service heap-based buffer overflow and application crash or possibly have unspecified other impact by crafting a jpg image file. The root cause is a missing check of header payloads...

PT-2019-10259

Name of the Vulnerable Software and Affected Versions: Dropbox Lepton version 1.2.1 Description: The issue allows attackers to cause a denial-of-service, resulting in an application runtime crash due to an integer overflow, by providing a crafted file. Recommendations: For Dropbox Lepton version...

Dropbox: Algorithmic complexity vulnerability in ZXCVBN leads to remote denial of service attack

@davidrenardy discovered that the ZXCVBN algorithm is quadratic in time complexity, which implies that the user can submit an arbitrarily long password to the library, leading to a potential denial of service attack if performed at scale. Given how ZXCVBN is used at Dropbox, we accept the Denial ...

Dropbox: URL modification changes server side behavior to allow access

@itay658 discovered that adding "?dl=1" allows files to be downloaded, even if they were blocked with error 429. The bug has been fixed and pushed out...

Workspace: Personal Cloud Connectors

This article provides the steps necessary to utilize connectors for Box, Dropbox, and other third-party storage apps in Citrix Workspace...

Dropbox: Significant Two step verification Authentication Bypass

This report described a concern with our “Trust this Computer” feature in Dropbox web sign in. The way our “Trust this Computer” feature works, at a high level, is that while authenticating using 2FA, the user can request that this device be trusted in the future so they don’t have to use 2FA...

Critical SQLite Flaw Leaves Millions of Apps Vulnerable to Hackers

Cybersecurity researchers have discovered a critical vulnerability in widely used SQLite database software that exposes billions of deployments to hackers. Dubbed as 'Magellan' by Tencent's Blade security team, the newly discovered SQLite flaw could allow remote attackers to execute arbitrary or...

Dropbox: Disclose anonymous accessible link on embedded files in paper dropbox sessions

This report described some of the behavior of the integration between Dropbox and Dropbox Paper. In particular, when embedding a Dropbox file into Dropbox Paper, this implicitly creates a link to that file see https://www.dropbox.com/help/files-folders/view-only-access and embeds it within the...

How Just Opening A Site In Safari Could Have Hacked Your Apple macOS

Earlier this week Dropbox team unveiled details of three critical vulnerabilities in Apple macOS operating system, which altogether could allow a remote attacker to execute malicious code on a targeted Mac computer just by convincing a victim into visiting a malicious web page. The reported...

How Just Opening A Site In Safari Could Have Hacked Your Apple macOS

Earlier this week Dropbox team unveiled details of three critical vulnerabilities in Apple macOS operating system, which altogether could allow a remote attacker to execute malicious code on a targeted Mac computer just by convincing a victim into visiting a malicious web page. The reported...

Real Identity of Hacker Who Sold LinkedIn, Dropbox Databases Revealed

The real identity of Tessa88—the notorious hacker tied to several high-profile cyber attacks including the LinkedIn, DropBox and MySpace mega breaches—has been revealed as Maksim Vladimirovich Donakov Максим Владимирович Донаков, a resident of Penza, Russian Federation. In early 2016, a hacker wi...

Real Identity of Hacker Who Sold LinkedIn, Dropbox Databases Revealed

The real identity of Tessa88—the notorious hacker tied to several high-profile cyber attacks including the LinkedIn, DropBox and MySpace mega breaches—has been revealed as Maksim Vladimirovich Donakov Максим Владимирович Донаков, a resident of Penza, Russian Federation. In early 2016, a hacker wi...

Publish Over Dropbox Plugin stored credentials in plain text

Publish Over Dropbox Plugin stored authorization code and access code unencrypted in its global configuration file on the Jenkins controller. These secrets could be viewed by users with access to the Jenkins controller file system. Additionally, the authorization code was not masked from view usi...

Dropbox: [www.dropboxforum.com] - reflected XSS in search

There was a reflected XSS in the search feature for www.dropboxforum.com...

Dropbox: Stored XSS in dropboxforum.com

This report described a vulnerability where an attacker could put a specially crafted payload into the reply section of threads on dropboxforum.com to bypass the HTML filter on the site. This enabled a stored XSS attack against anyone viewing the message. This was an issue in Lithium forum...