Desktop client does not verify received singed certificate in end-to-end encryption

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Nextcloud 安全漏洞

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud that originates from allowing a malicious server to gain access to E2EE folders. Affected products and version...

PT-2023-22074 · Nextcloud +2 · Nextcloud Desktop Client +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Desktop Client versions 3.0.0 through 3.6.4 Description: A malicious server administrator can gain full access to an end-to-end encrypted folder, allowing them to decrypt files, recover the folder structure, and add new files...

Nextcloud: End-to-end encrypted file-drops can be made inaccessible

An end-to-end encrypted file-drop vulnerability allowed attackers to modify the metadata file and make the uploaded file inaccessible. The vulnerability could break the availability of the file. The issue was resolved by not providing the metadata file to the user and appending the new entry in t...

WhatsApp refuses to weaken encryption, would rather leave UK

WhatsApp will not comply with the UK's Online Safety Bill when it passes legislation as is. In fact, WhatsApp would rather cease serving UK users, which make up 2% of its global market, than weaken its end-to-end encryption E2EE. Will Cathcart, head of WhatsApp at parent company Meta, made these...

CVE-2023-23911

An improper access control vulnerability exists prior to v6 that could allow an attacker to break the E2E encryption of a chat room by a user changing the group key of a chat room...

PT-2023-19295 · Softwarex · Softwarex

Name of the Vulnerable Software and Affected Versions: SoftwareX versions prior to v6 Description: An improper access control issue exists that could allow an attacker to break the E2E encryption of a chat room by a user changing the group key of a chat room. Recommendations: For versions prior t...

Fighting online censorship, or, encryption's latest surprise use-case, with Mallory Knodel: Lock and Code S04E05

Government threats to end-to-end encryption--the technology that secures your messages and shared photos and videos--have been around for decades, but the most recent threats to this technology are unique in how they intersect with a broader, sometimes-global effort to control information on the...

Facebook Introduces New Features for End-to-End Encrypted Messenger App

Meta Platforms on Monday announced that it has started to expand global testing of end-to-end encryption E2EE in Messenger chats by default. "Over the next few months, more people will continue to see some of their chats gradually being upgraded with an extra layer of protection provided by...

Facebook Introduces New Features for End-to-End Encrypted Messenger App

Meta Platforms on Monday announced that it has started to expand global testing of end-to-end encryption E2EE in Messenger chats by default. "Over the next few months, more people will continue to see some of their chats gradually being upgraded with an extra layer of protection provided by...

WhatsApp Introduces Proxy Support to Help Users Bypass Internet Censorship

Popular instant messaging service WhatsApp has launched support for proxy servers in the latest version of its Android and iOS apps, letting users circumvent government-imposed censorship and internet shutdowns. "Choosing a proxy enables you to connect to WhatsApp through servers set up by...

Google Takes Gmail Security to the Next Level with Client-Side Encryption

Google on Friday announced that its client-side encryption for Gmail is in beta for Workspace and education customers as part of its efforts to secure emails sent using the web version of the platform. The development comes at a time when concerns about online privacy and data security are at an...

Apple Is Finally Encrypting iCloud Backups

After way too many years, Apple is finally encrypting iCloud backups: Based on a screenshot from Apple, these categories are covered when you flip on Advanced Data Protection: device backups, messages backups, iCloud Drive, Notes, Photos, Reminders, Safari bookmarks, Siri Shortcuts, Voice Memos,...

Apple announces 3 new security features

Apple has announced three new security features focused on protecting user data in the cloud: iMessage Contact Key Verification, Security Keys for Apple ID, and Advanced Data Protection for iCloud. iMessage Contact Key Verification and Security Keys for Apple ID will be available globally in 2023...

Apple Boosts Security With New iMessage, Apple ID, and iCloud Protections

Apple on Wednesday announced a raft of security measures, including an Advanced Data Protection setting that enables end-to-end encrypted E2EE data backups in its iCloud service. The headlining feature, when turned on, is expected to secure 23 data categories using E2EE, including device and...

PT-2022-25943 · Line · Line Client For Ios

Name of the Vulnerable Software and Affected Versions: LINE client for iOS versions prior to 12.17.0 Description: The issue is related to the LINE client for iOS, where sharing an invalid shared key of end-to-end encryption e2ee in a group chat might cause the application to crash. Recommendation...

Elon Musk Confirms Twitter 2.0 will Bring End-to-End Encryption to Direct Messages

Twitter chief executive Elon Musk confirmed plans for end-to-end encryption E2EE for direct messages on the platform. The feature is part of Musk's vision for Twitter 2.0, which is expected to be what's called an "everything app." Other functionalities include longform tweets and payments,...

Apple puts the password on life support with passkey

The "passwordless future" is something many internet users--and a great majority of the cybersecurity industry--have hoped for. Now Apple is about to make those hopes a reality. With the release of iOS 16 yesterday, and macOS Ventura next month, Apple fans will be able to use passkeys, its passwo...

Nextcloud: Desktop client does not verify received singed certificate in end to end encryption

Vulnerability description not provided...

Facebook Testing Default End-to-End Encryption and Encrypted Backups in Messenger

Social media company Meta said it will begin testing end-to-end encryption E2EE on its Messenger platform this week for select users as the default option, as the company continues to slowly add security layers to its various chat services. "If you're in the test group, some of your most frequent...