CVE-2021-32728

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with a computer. Clients using the Nextcloud end-to-end encryption feature download the public and private key via an API endpoint. In versions prior to 3.3.0, the Nextcloud Desktop client fails to check if a privat...

End-to-end encryption device setup did not verify public key

None...

Apple: Image-Detection Backdoor ‘Narrow’ in Scope

Apple provided additional design and security details this week about the planned rollout of a feature aimed at detecting child sexual abuse material CSAM images stored in iCloud Photos. Privacy groups like the Electronic Frontier Foundation warned that the process of flagging CSAM images...

Facebook Adds End-to-End Encryption for Audio and Video Calls in Messenger

Facebook on Friday said it's extending end-to-end encryption E2EE for voice and video calls in Messenger, along with testing a new opt-in setting that will turn on end-to-end encryption for Instagram DMs. "The content of your messages and calls in an end-to-end encrypted conversation is protected...

Apple Adds a Backdoor to iMessage and iCloud Storage

Apples announcement that its going to start scanning photos for child abuse material is a big deal. Here are five news stories. I have been following the details, and discussing it in several different email lists. I dont have time right now to delve into the details, but wanted to post something...

Users Can Be Just As Dangerous As Hackers

Among the problems stemming from our systemic failure with cybersecurity, which ranges from decades-old software-development practices to Chinese and Russian cyber-attacks, one problem gets far less attention than it should—the insider threat. But the reality is that most organizations should be ...

Zoom Settlement: An $85M Business Case for Security Investment

Ransomware isn’t the only way lax security can cost a business eight figures in damage. Zoom just lost an $85 million class-action lawsuit this week for its cybersecurity missteps, proving that even the most essential and relied-upon brands can be tripped up by inadequate security. More...

Five Critical Password Security Rules Your Employees Are Ignoring

According to Keeper Security's Workplace Password Malpractice Report, many remote workers aren't following best practices for password security. Password security was a problem even before the advent of widespread remote work. So, what happened post-pandemic? Keeper Security's Workplace Password...

CVE-2021-32727

Nextcloud Android Client is the Android client for Nextcloud. Clients using the Nextcloud end-to-end encryption feature download the public and private key via an API endpoint. In versions prior to 3.16.1, the Nextcloud Android client skipped a step that involved the client checking if a private...

CVE-2021-32727

The CVE concerns the Nextcloud Android Client and an end-to-end encryption oversight. In versions prior to 3.16.1, the client skipped a step that verifies whether a private key belongs to a previously downloaded public certificate. If a malicious public key is served by the Nextcloud instance, da...

CVE-2021-32727 End-to-end encryption device setup did not verify public key

Nextcloud Android Client is the Android client for Nextcloud. Clients using the Nextcloud end-to-end encryption feature download the public and private key via an API endpoint. In versions prior to 3.16.1, the Nextcloud Android client skipped a step that involved the client checking if a private...

How to send an anonymous email

Sometimes readers ask us how to send an anonymous email or how criminals and scammers manage to send anonymous emails. Since this is not an easy question to answer, because, for starters, there are several ways to interpret the question, I’ll try to give you some information here. Interpret the...

CVE-2021-23211

Cleartext Storage of Sensitive Information in Memory vulnerability in Gallagher Command Centre Server allows Cloud end-to-end encryption key to be discoverable in server memory dumps. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 MR3...

CVE-2021-22906

Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1 suffers from a denial of service vulnerability due to permitting any authenticated users to lock files of other users...

CVE-2021-22906

Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1 suffers from a denial of service vulnerability due to permitting any authenticated users to lock files of other users...

Denial of service

Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1 suffers from a denial of service vulnerability due to permitting any authenticated users to lock files of other users...

CVE-2021-22906

Issue summary: CVE-2021-22906 affects Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1. It allows any authenticated user to lock files of other users, creating a denial-of-service condition. Root cause (as stated): improper access control in the End-to-End Encryption app that lets au...

PT-2021-15263 · Nextcloud · Nextcloud End-To-End Encryption

Name of the Vulnerable Software and Affected Versions: Nextcloud End-to-End Encryption versions prior to 1.5.3 Nextcloud End-to-End Encryption versions prior to 1.6.3 Nextcloud End-to-End Encryption versions prior to 1.7.1 Description: The issue allows any authenticated user to lock files of othe...

CVE-2021-32658

Nextcloud Android is the Android client for the Nextcloud open source home cloud system. Due to a timeout issue the Android client may not properly clean all sensitive data on account removal. This could include sensitive key material such as the End-to-End encryption keys. It is recommended that...

CVE-2021-32658 Sensitive data may not be removed from storage on account removal

Nextcloud Android is the Android client for the Nextcloud open source home cloud system. Due to a timeout issue the Android client may not properly clean all sensitive data on account removal. This could include sensitive key material such as the End-to-End encryption keys. It is recommended that...