CVE-2022-39338

CVE-2022-39338 concerns Nextcloud’s user_oidc OpenID Connect backend. Connected sources confirm the issue is a stored XSS vulnerability caused by improper validation of discovery URLs in versions prior to 1.2.1, with exploitation demonstrated specifically in Safari (workarounds and CSP limitation...

CVE-2022-39333

CVE-2022-39333 affects the Nextcloud Desktop Client. An attacker can inject arbitrary HTML into the Desktop Client application, enabling potential HTML/JS injection via the UI. Affected software: Nextcloud Desktop client prior to upgrade. Mitigation: upgrade to Nextcloud Desktop version 3.6.1 or ...

CVE-2022-39332 Cross-site scripting (XSS) in Nextcloud Desktop Client

Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application via user status and information. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for...

CVE-2022-39339

Summary of CVE-2022-39339 : The Nextcloud OpenID Connect user backend, named user_oidc , is affected in versions prior to 1.2.1. The root cause is that sensitive data such as OIDC client credentials and tokens could be transmitted in plain HTTP (no TLS), enabling interception by anyone monitoring...

CVE-2022-39346 Missing length validation of user displayname in nextcloud server

Nextcloud server is an open source personal cloud server. Affected versions of nextcloud server did not properly limit user display names which could allow a malicious users to overload the backing database and cause a denial of service. It is recommended that the Nextcloud Server is upgraded to...

Nextcloud 资源管理错误漏洞

Nextcloud is a suite of open source, self-hosted file synchronization and sharing communication application platform from Nextcloud Germany. A resource management error vulnerability exists in Nextcloud Server that stems from not properly restricting a user's display name, which could allow a...

CVE-2022-39338

useroidc is an OpenID Connect user backend for Nextcloud. Versions prior to 1.2.1 did not properly validate discovery urls which may lead to a stored cross site scripting attack vector. The impact is limited due to the restrictive CSP that is applied on this endpoint. Additionally this...

CVE-2022-39346

CVE-2022-39346 affects Nextcloud Server. Affected versions did not properly limit user display names, which could allow a malicious user to overload the backing database and trigger a denial of service. OpenSUSE advisory confirms the issue and attributes exploitation to missing length validation ...

CVE-2022-39331 Cross-site Scripting (XSS) in Nexcloud Desktop Client

Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application in the notifications. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue...

CVE-2022-39346 Missing length validation of user displayname in nextcloud server

Nextcloud server is an open source personal cloud server. Affected versions of nextcloud server did not properly limit user display names which could allow a malicious users to overload the backing database and cause a denial of service. It is recommended that the Nextcloud Server is upgraded to...

CVE-2022-39334 nextcloudcmd incorrectly trusts bad TLS certificates

Nextcloud also ships a CLI utility called nextcloudcmd which is sometimes used for automated scripting and headless servers. Versions of nextcloudcmd prior to 3.6.1 would incorrectly trust invalid TLS certificates, which may enable a Man-in-the-middle attack that exposes sensitive data or...

CVE-2022-39332 Cross-site scripting (XSS) in Nextcloud Desktop Client

Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application via user status and information. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for...

Nextcloud: Ability to control the filename when uploading a logo or favicon on theming

A vulnerability existed in Nextcloud that allowed an attacker to control the filename of a logo or favicon when uploading it, by modifying the key. This could result in the attacker uploading any files directly in the webapp and path disclosure. The vulnerability has been fixed...

Arbitrary Code Execution

nextcloud is vulnerable to arbitrary code execution. If a user received a malicious file share and has it synced locally or the virtual file system enabled and clicked a nc://open/ link it will open the default editor for the file type of the shared file, which on windows means that a file...

Nextcloud has an unspecified vulnerability (CNVD-2022-77502)

A security vulnerability exists in Nextcloud Desktop Client, an open source self-hosted file synchronization and sharing communication application platform from Nextcloud Germany, which stems from the fact that its desktop client could be tricked into opening/executing local files when clicking o...

CVE-2022-41882

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. In version 3.6.0, if a user received a malicious file share and has it synced locally or the virtual filesystem enabled and clicked a nc://open/ link it will open the default editor for the file...

DEBIAN-CVE-2022-41882

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. In version 3.6.0, if a user received a malicious file share and has it synced locally or the virtual filesystem enabled and clicked a nc://open/ link it will open the default editor for the file...

UBUNTU-CVE-2022-41882

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. In version 3.6.0, if a user received a malicious file share and has it synced locally or the virtual filesystem enabled and clicked a nc://open/ link it will open the default editor for the file...

Design/Logic Flaw

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. In version 3.6.0, if a user received a malicious file share and has it synced locally or the virtual filesystem enabled and clicked a nc://open/ link it will open the default editor for the file...

CVE-2022-41882

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. In version 3.6.0, if a user received a malicious file share and has it synced locally or the virtual filesystem enabled and clicked a nc://open/ link it will open the default editor for the file...