CVE-2022-39330 Database resource exhaustion for logged-in users via sharee recommendations with circles

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior to versions 23.0.10 and 24.0.6 and Nextcloud Enterprise Server prior to versions 22.2.10, 23.0.10, and 24.0.6 are vulnerable to a logged-in attacker slowing down the system by...

CVE-2022-39329 Profile of disabled user stays accessible

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server and Nextcloud Enterprise Server prior to versions 23.0.9 and 24.0.5 are vulnerable to exposure of information that cannot be controlled by administrators without direct database acces...

CVE-2022-39364 Exception logging in Sharepoint app reveals clear-text connection details

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server prior to versions 23.0.9 and 24.0.5 and Nextcloud Enterprise Server prior to versions 22.2.10.5, 23.0.9, and 24.0.5 an attacker reading nextcloud.log may gain knowledge of...

CVE-2022-39364

CVE-2022-39364 affects Nextcloud Server and Enterprise Server: reading nextcloud.log can reveal credentials to connect to a SharePoint service. Affected versions include Nextcloud Server prior to 23.0.9 and prior to 24.0.5; Nextcloud Enterprise Server prior to 22.2.10.5, 23.0.9, and 24.0.5. Patch...

Nextcloud 安全漏洞

Nextcloud is a suite of open source, self-hosted file synchronization and sharing communication application platform from Nextcloud Germany. A security vulnerability exists in Nextcloud Server, Nextccloud Enterprise Server versions prior to 24.0.5. An attacker could exploit the vulnerability to...

PT-2022-24902 · Nextcloud +1 · Nextcloud Enterprise Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 23.0.9 Nextcloud Enterprise Server versions prior to 24.0.5 Description: The issue concerns exposure of information that cannot be controlled by administrators without direct database access. This affects...

CVE-2022-39329

CVE-2022-39329 affects Nextcloud Server (and Enterprise Server) prior to versions 23.0.9 and 24.0.5, where information could be exposed without admin-controlled access and without database access. The issue is resolved by patches in 23.0.9 and 24.0.5, with no public workarounds reported. Affected...

CVE-2022-39364 Exception logging in Sharepoint app reveals clear-text connection details

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server prior to versions 23.0.9 and 24.0.5 and Nextcloud Enterprise Server prior to versions 22.2.10.5, 23.0.9, and 24.0.5 an attacker reading nextcloud.log may gain knowledge of...

CVE-2022-39329 Profile of disabled user stays accessible

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server and Nextcloud Enterprise Server prior to versions 23.0.9 and 24.0.5 are vulnerable to exposure of information that cannot be controlled by administrators without direct database acces...

Nextcloud: Mail app - blind SSRF via smtpHost parameter

A blind SSRF vulnerability was discovered in the Nextcloud Mail application, allowing an attacker to retrieve services running locally on the server and scan the internal network for information. The vulnerability was found in the smtpHost parameter and could be exploited by any user with the mai...

Nextcloud: Disabled download shares still allow download through preview images

Summary: Steps To Reproduce: 1. Share a folder and disable the "Allow download" permission 2. Now as the recipient of the file you can still download the preview of the file This is an issue for images but also for shared documents where viewing them in Collabora would present them watermarked bu...

Nextcloud: Hide download previews are accessible without a watermark

A vulnerability was discovered in Nextcloud that allowed users to access download previews without a watermark, even when the watermark option was enabled. This could potentially compromise the privacy of the document and goes against the intended purpose of the feature...

Nextcloud: Insecure randomness for default password in file sharing when password policy app is disabled

The password generation function used for protecting shared links in Nextcloud was using an insecure random number generator, which could allow an attacker to access the shared files without knowledge of the password...

Nextcloud: Mail app - Blind SSRF via Sierve server fonctionnality and sieveHost parameter

A blind SSRF vulnerability was discovered in the Nextcloud Mail application, allowing an attacker to map the server and internal network by sending a crafted request to an unexpected destination. The vulnerability was found in the sieveHost parameter when adding a filter via a sieve filter server...

Nextcloud: CSRF vulnerability in Nextcloud Desktop Client 3.6.1 on Windows when clicking malicious link

Summary It is possible to make a user send any POST request with an arbitrary body given they click on a malicious deep link. e.g. in an email, chat link, etc This vulnerability was introduced in an attempt to fix 1720043. The patch however can be bypassed and also introduced a CSRF vulnerability...

Nextcloud: Mail app - blind SSRF via imapHost parameter

A blind SSRF vulnerability was discovered in the Nextcloud Mail application. An attacker could exploit this vulnerability to retrieve services running locally on the server and scan the internal network for information about which IPs are responding and which services are running on each IP...

Nextcloud: Secure view trivial to bypass

The secure view feature in Nextcloud was vulnerable to bypassing, allowing users to download files without watermarks. This was possible by using the richdocuments app and adding "/contents" to the URL. The checkbox indicating that downloading is not allowed was misleading, and a solution could b...

Nextcloud: Download permissions can be changed by resharer

Download permissions in Nextcloud 25 could be changed by a resharer, rendering the secure view feature for internal shares useless. This allowed users to download files without the watermark and other security measures...

Nextcloud: Suspicious login app ships old league/flysystem version

A vulnerability in the Suspicious Login app allowed a remote attacker to execute arbitrary code on the target system due to a race condition. The vulnerability was caused by an outdated version of the Flysystem library 0.1.0 - 2.1.0 that allowed a malicious user to upload and execute arbitrary co...

Nextcloud: Desktop client can be tricked into opening/executing local files when clicking a nc://open/ link

The Nextcloud Desktop Client in version 3.6.0 was vulnerable to a Remote Code Execution that could be exploited by anyone who could upload files to an instance the user had access to. The vulnerability was caused by the insecure implementation of the "local edit" feature, which allowed attackers ...