PT-2018-16182 · Nextcloud · Nextcloud Calendar

Name of the Vulnerable Software and Affected Versions: Nextcloud Calendar versions prior to 1.5.8 Nextcloud Calendar versions prior to 1.6.1 Description: A stored XSS issue exists due to missing sanitization of search results for an autocomplete field, requiring user-interaction. This issue is...

Nextcloud: Accessing to download.nextcloud.com from original ip adreess | insecure Download

Hi team , Summary I found that when I can access from original ip to the web site ,.This disable Https secure connection. Description First I make DNS Lookup to find the ip adress download.nextcloud.com has address 88.198.160.133 F313820 Now When I open The website from download.nextcloud.com I s...

Nextcloud: Missing X-Content-Type-Options

Nextcloud doesn't have a header settings for X-Content-Type Options which means it is vulnerable to MIME sniffing. The only defined value, "nosniff", prevents Internet Explorer and Google Chrome from MIME-sniffing a response away from the declared content-type. This also applies to Google Chrome...

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-2018-16181 · 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: File access control rules not enforced on image files

Installed Nextcloud from Snap package version 13.0.2snap1, revision 6916 on fresh Ubuntu 18.04 LTS install. 2. Installed and enabled Files access control v1.3.0 and Files automated tagging v1.3.0 apps. 3. As an administrator created an invisible collaborative tag Secret. 4. Added Files automated...

Nextcloud: Disclosed Version of PORTS SSH|HTTP|SSL

I found Version of ports are disclosed ,But the intersting that SSH port is open and showing his version == OpenSSH 7.2p2 Ubuntu 4ubuntu2.4 Ubuntu Linux; protocol 2.0 F:302383 Searching I have found that this version has common vulunrablitie https://vuldb.com/?id.89622 So it's not good to disclos...

MGASA-2018-0226 Updated nextcloud packages fix security vulnerabilities and update version

Mageia 6 brings Nextcloud 11, which is not supported anymore upstream. This update brings version 12 with several security fixes. The database system is now in a separate package, so you will have to choose manually the one you are using...

Updated nextcloud packages fix security vulnerabilities and update version

Mageia 6 brings Nextcloud 11, which is not supported anymore upstream. This update brings version 12 with several security fixes. The database system is now in a separate package, so you will have to choose manually the one you are using...

Nextcloud: Banner Grabbing - Apache Server Version Disclosure

I have found a little information disclosure on your system. Banner Grabbing is a technique used to gain information about a remote server. Additionally, this technique is use to get information about remote servers. I've captured the HTTP request while visiting...

Nextcloud: Click Jacking Nextcloud

Hello Security, Clickjacking User Interface redress attack, UI redress attack, UI redressing is a malicious technique of tricking a Web user into clicking on something different from what the user perceives they are clicking on, thus potentially revealing confidential information or taking contro...

Nextcloud Server Authorization Bypass Vulnerability (May 2018) - Linux

Nextcloud Server is prone to authorization bypass 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 =...

Nextcloud Server Authorization Bypass Vulnerability (May 2018) - Windows

Nextcloud Server is prone to authorization bypass 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 =...

Nextcloud: OAuth2 Access Token and App Password Security Vulnerability

The OAuth2 endpoint of the Nextcloud server was not following RFC6749. The server did not perform required verification of provided data. And the server did not properly rotate and expire access tokens. In case of a compromised OAuth client this could lead to unauthorized access. After working...

openSUSE Security Update : nextcloud (openSUSE-2018-384)

This update for nextcloud fixes the following issues : Security issue fixed : - CVE-2017-0936: Nextcloud Server before 11.0.7 suffers from an Authorization Bypass Through User-Controlled Key vulnerability boo1087402. Bug fixes : - See online release notes for all relevant changes...

Nextcloud: Bruteforce in admin panel

Hello there, Admin panel of your website https://nextcloud.com/wp-login.php is vulnerable to bruteforce attacks as their is no rate-limiting. Impact Can gain access to admin panel. To fix this, Just add rate limiting...

The vulnerability of the cloud platform NextCloud in the operating system OpenSUSE Leap allows a hacker to gain root privileges.

The vulnerability of the cloud platform NextCloud in the operating system OpenSUSE Leap is related to deficiencies in access control. Exploiting this vulnerability could allow a malicious actor, operating remotely, to gain root privileges during package updates using scripts located in the...

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...

Nextcloud: Extremly simple way to bypass Nextcloud-Client PIN/Fingerprint lock

I'm sorry for my bad English, I'm German How to reproduce this security bug. Step 1: Take a normal Android smartphone maybe it also works on iOS, but I have not tested it yet. Step 2: Install the official nextcloud-client. Step 3: Set up nextcloud: Open the nextcloud app, tap on "Skip", enter the...

CVE-2017-0936

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...