Nextcloud: Generated passwords are not fully validated by HIBPValidator

Summary: If the Nextcloud server generates a secure random password e.g. for sharing files, the validation is checked before the shuffle function strshuffle is called. In very rare cases it could happen, that a password is validated by HIBPValidator before strshuffle, but would not validate after...

Nextcloud: Information exposure in in guzzlehttp/guzzle (https://github.com/nextcloud/3rdparty/tree/master/guzzlehttp/guzzle)

Summary: Affected versions of this package are vulnerable to Information Exposure which fails to strip the Authorization header on HTTP downgrade, this depency is out of date and it can leat to still authorization header. Steps To Reproduce:...

Nextcloud: Brute force protections don't work

Summary: Most of the brute force protections don't actually throttle the response and so they are not logging negative attempts Search for functions with the @BruteForceProtection annotation and check that they call throttle on the response at least conditionally. Impact Brute force protection is...

Nextcloud: Lack of Brute force protection while joining video call in talk section which is password protected

Advisory at https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pf36-jvpv-4hwq...

Nextcloud: Talk Android broadcast receiver is not protected by broadcastPermission allowing malicious apps to communicate

Summary: Call to registerReceiver misses the broadcastPermission argument - no permissions will be checked for the broadcaster, which allows a malicious application to communicate with the broadcast receiver. Supporting Material/References: Screenshot Snyk report references to fixes in other repo...

Nextcloud: Calendar name length not validated before writing to database

Security advisory at https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m92j-xxc8-hq3v...

Nextcloud: Missing character limitation allows to put generate a database error

Hi Security Team, Summary: ========= There is no limit to the number of characters in the display name, which allows a DoS attack. The DoS attack affects server-side. Description ========= On the input form of Username in nextcloud.com/settings/user there's no Input validation using this you can...

Nextcloud: Unauthenticated SSRF in 3rd party module "cerdic/csstidy"

Summary: The mail extension in nextcloud includes a module called "cerdic/csstidy" which basically ships with a publicly accessible test/example interface to play with the CSS formatter and optimiser /apps/mail/vendor/cerdic/css-tidy/cssoptimiser.php. This module allows contacting any remote serv...

Nextcloud Server < 22.2.7, 23.x < 23.0.4 DoS Vulnerability (GHSA-7cwm-qph5-4h5w)

Nextcloud Server is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

CVE-2022-31024

richdocuments is the repository for NextCloud Collabra, the app for Nextcloud Office collaboration. Prior to versions 6.0.0, 5.0.4, and 4.2.6, a user could be tricked into working against a remote Office by sending them a federated share. richdocuments versions 6.0.0, 5.0.4 and 4.2.6 contain a fi...

Design/Logic Flaw

richdocuments is the repository for NextCloud Collabra, the app for Nextcloud Office collaboration. Prior to versions 6.0.0, 5.0.4, and 4.2.6, a user could be tricked into working against a remote Office by sending them a federated share. richdocuments versions 6.0.0, 5.0.4 and 4.2.6 contain a fi...

CVE-2022-31024 Federated editing allows iframing remote servers by default in richdocuments

richdocuments is the repository for NextCloud Collabra, the app for Nextcloud Office collaboration. Prior to versions 6.0.0, 5.0.4, and 4.2.6, a user could be tricked into working against a remote Office by sending them a federated share. richdocuments versions 6.0.0, 5.0.4 and 4.2.6 contain a fi...

CVE-2022-31024 Federated editing allows iframing remote servers by default in richdocuments

richdocuments is the repository for NextCloud Collabra, the app for Nextcloud Office collaboration. Prior to versions 6.0.0, 5.0.4, and 4.2.6, a user could be tricked into working against a remote Office by sending them a federated share. richdocuments versions 6.0.0, 5.0.4 and 4.2.6 contain a fi...

CVE-2022-31024

The CVE-2022-31024 issue affects Nextcloud richdocuments (Collabora) where federated shares can cause a user to edit against a remote Office by default (iframe-based exploitation). Root cause: federation setup allows instructing a user’s editing session to target a different server. Affected vers...

CVE-2022-31024 Federated editing allows iframing remote servers by default in richdocuments

richdocuments is the repository for NextCloud Collabra, the app for Nextcloud Office collaboration. Prior to versions 6.0.0, 5.0.4, and 4.2.6, a user could be tricked into working against a remote Office by sending them a federated share. richdocuments versions 6.0.0, 5.0.4 and 4.2.6 contain a fi...

Federated editing allows iframing remote servers by default

None...

Nextcloud Resource Management Error Vulnerability (CNVD-2022-43222)

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A resource management error vulnerability exists in Nextcloud Server versions 22.2.0 through 23.0.3, which arises from the application's inability to properly...

Nextcloud 访问控制错误漏洞

Nextcloud is an open source, self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. An access control error vulnerability exists in Nextcloud richdocuments versions prior to 6.0.0, prior to 5.0.4, and prior to 4.2.6, which originates from a share...

Nextcloud: Missing length validation of user displayname allows to generate an SQL error

Security advisory at https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6w9f-jgjx-4vj6...

CVE-2022-29243

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Prior to versions 22.2.7 and 23.0.4, missing input-size validation of new session names allows users to create app passwords with long names. These long names are then loaded into memory on usage,...