Security update for nextcloud (moderate)

This update for nextcloud fixes the following issues: Security issues fixed: - CVE-2018-3761: Fix improper authentication on the OAuth2 token endpoint bsc1100344. - CVE-2018-3762: Fix improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it...

Nextcloud Server Authorization Issues Vulnerability

Nextcloud is an open source self-hosted file synchronization and sharing communication application platform from Nextcloud Germany.Nextcloud Server is one of the server version. An authorization issue vulnerability exists in Nextcloud Server. An attacker could exploit the vulnerability to obtain ...

Nextcloud Contacts Cross-Site Scripting Vulnerability

Nextcloud is a suite of open source, self-hosted file synchronization and sharing communication applications from Nextcloud Germany.Nextcloud Contacts is one of the applications used to synchronize and manage contacts. A cross-site scripting vulnerability exists in versions prior to Nextcloud...

Nextcloud Server Information Disclosure Vulnerability (CNVD-2018-12756)

Nextcloud is an open source self-hosted file synchronization and sharing communication application platform from Nextcloud Germany.Nextcloud Server is one of the server version. A security vulnerability exists in Nextcloud Server versions prior to 12.0.8 and 13.0.3, which stems from the program's...

Nextcloud Calendar Cross-Site Scripting Vulnerability

Nextcloud is a suite of open source, self-hosted file synchronization and sharing communication application platform from Nextcloud Germany.Nextcloud Calendar is one of the calendar applications. A cross-site scripting vulnerability exists in Nextcloud Calendar versions prior to 1.5.8 and prior t...

Nextcloud Server Image Previews File Access Control Bypass Vulnerability - Linux

Nextcloud Server is prone to an information disclosure vulnerability. SPDX-FileCopyrightText: 2018 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 =...

Input validation

Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to...

Authentication flaw

Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised...

CVE-2018-3763

In Nextcloud Calendar before 1.5.8 and 1.6.1, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitization only affected group names, hence malicious search results could only be crafted by privileged users like...

Cross site scripting

In Nextcloud Contacts before 2.1.2, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitization only affected group names, hence malicious search results could only be crafted by privileged users like admins or...

Cross site scripting

In Nextcloud Calendar before 1.5.8 and 1.6.1, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitization only affected group names, hence malicious search results could only be crafted by privileged users like...

CVE-2018-3762

Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to...

CVE-2018-3764

In Nextcloud Contacts before 2.1.2, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitization only affected group names, hence malicious search results could only be crafted by privileged users like admins or...

CVE-2018-3761

Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised...

CVE-2018-3763

In Nextcloud Calendar before 1.5.8 and 1.6.1, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitization only affected group names, hence malicious search results could only be crafted by privileged users like...

CVE-2018-3762

Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to...

CVE-2018-3764

In Nextcloud Contacts before 2.1.2, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitization only affected group names, hence malicious search results could only be crafted by privileged users like admins or...

CVE-2018-3761

Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised...

CVE-2018-3762

Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to...

CVE-2018-3764

In Nextcloud Contacts before version 2.1.2, a missing sanitization of search results in the autocomplete field can cause a stored XSS. The issue affects group names, so only malicious search results crafted by privileged users (admins/group admins) could trigger the issue. Impact is a stored XSS ...