CVE-2018-3776: Improper Input Validation

Improper input validator in Nextcloud Server prior to 12.0.3 and 11.0.5 could lead to an attacker's actions not being logged in the audit log...

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 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 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 =...

CVE-2018-3762

CVE-2018-3762 affects Nextcloud Server prior to 12.0.8 and 13.0.3, where improper checks of dropped permissions for incoming shares let a user request previews for files they should not access. Root cause: inadequate enforcement of access control on image preview requests. Impact stated in source...

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: Improper Access Control

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-2018-3761: Improper Authentication

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...

PT-2018-16180 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 12.0.8 Nextcloud Server versions prior to 13.0.3 Description: The issue is related to improper authentication on the OAuth2 token endpoint. It involves missing checks that could potentially allow handing out...

PT-2018-13588

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 14.0.0 Nextcloud Server version 13.0.3 and earlier Nextcloud Server version 12.0.8 and earlier Description A bug in the software causes session fixation, potentially allowing an attacker to obtain access to...

PT-2018-16181 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 12.0.8 Nextcloud Server versions prior to 13.0.3 Description: The issue arises from improper checks of dropped permissions for incoming shares, allowing a user to request previews for files they should not...

Nextcloud Server Design Vulnerability

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. Nextcloud Server is a server version of it. A security vulnerability exists in Nextcloud Server versions prior to 11.0.7 and prior to 12.0.5. An attacker coul...

Authorization

Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability. A missing ownership check allowed logged-in users to change the scope of app passwords of other users. Note that the app passwords themselves where neither disclosed nor could...

CVE-2017-0936: Authorization Bypass Through User-Controlled Key

Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability. A missing ownership check allowed logged-in users to change the scope of app passwords of other users. Note that the app passwords themselves where neither disclosed nor could...

PT-2018-5163

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 11.0.7 Nextcloud Server versions prior to 12.0.5 Description The issue is related to an Authorization Bypass Through User-Controlled Key. A missing ownership check allowed logged-in users to change the scope ...

PT-2018-16194 · Nextcloud +1 · Nextcloud Server +1

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 12.0.3 Nextcloud Server versions prior to 11.0.5 Description: The issue is related to an improper input validator, which could allow an attacker's actions to remain unlogged in the audit log. Recommendations...

PT-2018-16193 · Nextcloud +1 · Nextcloud Server +1

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 12.0.3 Description: The issue allows an attacker with obtained user credentials to bypass 2 Factor Authentication due to improper authentication. Recommendations: For versions prior to 12.0.3, update to...

Nextcloud Multiple Vulnerabilities-01 (May 2017) - Linux

Nextcloud is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2017 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 = "cpe:/a:nextcloud:nextcloudserver";...

Nextcloud 'Calender and Addressbook' Information Disclosure Vulnerability - Linux

Nextcloud is prone to an information disclosure vulnerability. SPDX-FileCopyrightText: 2017 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 =...

Nextcloud: HTML injection and limited XSS via logo image upload - Nextcloud 12.0.0

Summary The logo image upload function in Nextcloud Server v12.0.0 does not validate the uploaded file, leading to XSS in certain circumstances. Vulnerable URLs Replace server with the IP address or hostname of your Nextcloud server. File upload -...