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...

PT-2022-24906 · Nextcloud +2 · Nextcloud Desktop Client +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Desktop client versions prior to 3.6.1 Description: An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application. There are no known workarounds for this issue. Recommendations: For versions prior t...

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-2022-39333

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

CVE-2022-39333 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. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue...

PT-2022-24909 · Nextcloud · User Oidc

Name of the Vulnerable Software and Affected Versions: user oidc versions prior to 1.2.1 Description: The issue concerns the user oidc OpenID Connect user backend for Nextcloud, where sensitive information such as OIDC client credentials and tokens are sent in plain text over HTTP without TLS in...

PT-2022-26156 · Nextcloud · Nextcloud Talk Android

Name of the Vulnerable Software and Affected Versions: Nextcloud Talk Android versions prior to 14.1.0 Description: The issue affects the Nextcloud Talk Android, which is the Android OS implementation of the Nextcloud Talk chat system. In affected versions, the receiver is not protected by...

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

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-2022-39333 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. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue...

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 versions prior to Nextcloud useroidc 1.2.1, which stems from the fact that sensitive information such as OIDC client...

Nextcloud Talk 安全漏洞

Nextcloud Talk is a self-hosted local audio/video and chat communication service from Nextcloud Germany. A security vulnerability exists in versions prior to Nextcloud Talk 14.1.0 that stems from the receiver not being protected by broadcastPermission, allowing malicious applications to monitor...

Nextcloud 输入验证错误漏洞

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. An input validation error vulnerability exists in versions prior to Nextcloud useroidc 1.2.1, which stems from an endpoint applying a restricted CSP, which...

CVE-2022-39338 Stored cross site scripting (XSS) vulnerability via Authorization Endpoint in user_oidc

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...

PT-2022-24905 · Nextcloud +2 · Nextcloud Desktop Client +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Desktop client versions prior to 3.6.1 Description: An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application via user status and information. Recommendations: For versions prior to 3.6.1, upgrad...

Nextcloud 跨站脚本漏洞

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A cross-site scripting vulnerability exists in Nexcloud desktop versions prior to 3.6.1, which originates from an attacker being able to inject arbitrary...

CVE-2022-39333 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. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue...

PT-2022-24904 · Nextcloud +2 · Nextcloud Desktop Client +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Desktop client versions prior to 3.6.1 Description: An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application in the notifications. There are no known workarounds for this issue. Recommendations:...

CVE-2022-39338 Stored cross site scripting (XSS) vulnerability via Authorization Endpoint in user_oidc

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-2022-39334 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...