CVE-2023-29000

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.7.0, by trusting that the server will return a certificate that belongs to the keypair of the user, a malicious server could get the desktop client to encrypt file...

CVE-2023-28999 Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files,...

CVE-2023-28999

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files,...

CVE-2023-28999

CVE-2023-28999 affects Nextcloud clients: Desktop 3.0.0–3.8.0, Android 3.13.0–3.25.0, iOS 3.0.5–4.8.0. Description in OSV/NVD indicates a malicious server administrator can gain full access to an end-to-end encrypted folder, decrypt files, recover folder structure, and add new files, due to a lac...

CVE-2023-28999 Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files,...

CVE-2023-28999 Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files,...

CVE-2023-28999

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files,...

CVE-2023-28998

The CVE-2023-28998 entry concerns the Nextcloud Desktop Client. Versions from 3.0.0 up to, but not including, 3.6.5 are vulnerable: a malicious server administrator can gain full access to an end-to-end encrypted folder, decrypt files, recover the folder structure, and add new files. Affected sof...

CVE-2023-28998 Nextcloud Desktop client misbehaves with E2EE when the server returns empty list of metadata keys

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure, and add new...

CVE-2023-28998 Nextcloud Desktop client misbehaves with E2EE when the server returns empty list of metadata keys

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure, and add new...

CVE-2023-28998

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure, and add new...

CVE-2023-28998 Nextcloud Desktop client misbehaves with E2EE when the server returns empty list of metadata keys

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure, and add new...

CVE-2023-28998

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure, and add new...

CVE-2023-28997

Summary (CVE-2023-28997) The Nextcloud Desktop Client is affected when running versions 3.0.0 up to before 3.6.5, where an attacker with control of a malicious server could recover and modify the contents of end-to-end encrypted files due to a vulnerability tied to IV reuse in the E2EE scheme. Th...

CVE-2023-28997 Nextcloud Desktop: Initialization vector reuse in E2EE allows malicious server admin to break, manipulate, access files

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5...

CVE-2023-28997

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5...

CVE-2023-28997 Nextcloud Desktop: Initialization vector reuse in E2EE allows malicious server admin to break, manipulate, access files

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5...

CVE-2023-28997 Nextcloud Desktop: Initialization vector reuse in E2EE allows malicious server admin to break, manipulate, access files

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5...

CVE-2023-28997

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5...

CVE-2023-28848

CVE-2023-28848 affects Nextcloud’s user_oidc (OIDC backend). Versions 1.0.0–1.3.0 allow bypassing CSRF state protection by copying the expected state token from the first request to the second. This enables a CSRF-like bypass. Remediation: upgrade user_oidc to 1.3.0. No known workarounds are prov...