CVE-2024-52515 Nextcloud Server has incomplete sanitization of SVG files allows to embed other images into previews

Nextcloud Server is a self hosted personal cloud system. After an admin enables the default-disabled SVG preview provider, a malicious user could upload a manipulated SVG file referencing paths. If the file would exist the preview of the SVG would preview the other file instead. It is recommended...

CVE-2024-52516 Nextcloud Server's shares are not removed when user is limited to share with in their groups and being removed from one of them

Nextcloud Server is a self hosted personal cloud system. When a server is configured to only allow sharing with users that are in ones own groups, after a user was removed from a group, previously shared items were not unshared. It is recommended that the Nextcloud Server is upgraded to 22.2.11 o...

CVE-2024-52517

CVE-2024-52517 affects Nextcloud Server (and Enterprise Server) where, after storing global credentials for external storage, the API returns them and injects them into the frontend, enabling plaintext read by someone with an active user session. This information disclosure risk is limited to use...

CVE-2024-52517 Nextcloud Server's global credentials of external storages are sent back to the frontend

Nextcloud Server is a self hosted personal cloud system. After storing "Global credentials" on the server, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active session of a user. It is recommended that the...

CVE-2024-52518 Nextcloud Server is missing password confirmation when changing external storage options

Nextcloud Server is a self hosted personal cloud system. After an attacker got access to the session of a user or administrator, the attacker would be able to create, change or delete external storages without having to confirm the password. It is recommended that the Nextcloud Server is upgraded...

CVE-2024-52519

CVE-2024-52519 affects Nextcloud Server and Nextcloud Enterprise Server. The issue is that OAuth2 client secrets were stored in a recoverable form, enabling an attacker with access to a database backup and the Nextcloud config file to decrypt them. Public documentation in the provided sources rec...

CVE-2024-52520 Nextcloud Server's link reference provider can be tricked into downloading bigger files than intended

Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and...

CVE-2024-52520 Nextcloud Server's link reference provider can be tricked into downloading bigger files than intended

Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and...

CVE-2024-52521 Nextcloud Server has a potential hash collision for background jobs could skip queuing them

Nextcloud Server is a self hosted personal cloud system. MD5 hashes were used to check background jobs for their uniqueness. This increased the chances of a background job with arguments falsely being identified as already existing and not be queued for execution. By changing the Hash to SHA256 t...

CVE-2024-52521 Nextcloud Server has a potential hash collision for background jobs could skip queuing them

Nextcloud Server is a self hosted personal cloud system. MD5 hashes were used to check background jobs for their uniqueness. This increased the chances of a background job with arguments falsely being identified as already existing and not be queued for execution. By changing the Hash to SHA256 t...

CVE-2024-52521

The CVE records a vulnerability in Nextcloud Server where MD5 hashes were used to check background jobs for uniqueness, allowing a background job with specific arguments to be falsely identified as already existing and not queued. Technical details in connected documents confirm the root cause (M...

CVE-2024-52523

CVE-2024-52523 affects Nextcloud Server. When a user or administrator defines external storage with fixed credentials, the API returns those credentials and re-inserts them into the frontend, allowing an attacker with an active user session to read them in plain text. The vulnerability enables in...

CVE-2024-52523 Nextcloud Server Custom defined credentials of external storages are sent back to the frontend

Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active sessi...

CVE-2024-52523 Nextcloud Server Custom defined credentials of external storages are sent back to the frontend

Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active sessi...

CVE-2024-52525 Nextcloud Server User password is available in memory of the PHP process

Nextcloud Server is a self hosted personal cloud system. Under certain conditions the password of a user was stored unencrypted in the session data. The session data is encrypted before being saved in the session storage Redis or disk, but it would allow a malicious process that gains access to t...

Potential hash collision for background jobs could skip queuing them

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User password is available in memory of the PHP process

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ROS-20241112-11

A vulnerability in the index.php component of Enterprise Server, a cloud-based software package for creating and using Nextcloud Server data storage is related to an access control flaw. Exploitation of the vulnerability could allow an attacker acting remotely to modify or delete VCards in the...

PT-2024-9160 · Nextcloud +2 · Nextcloud Enterprise Server +3

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 28.0.12 Nextcloud Server versions prior to 29.0.9 Nextcloud Server versions prior to 30.0.2 Nextcloud Enterprise Server versions prior to 25.0.13.14 Nextcloud Enterprise Server versions prior to 26.0.13.10...

PT-2024-9159 · Nextcloud +2 · Nextcloud Enterprise Server +3

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 28.0.11 Nextcloud Server versions prior to 29.0.8 Nextcloud Server versions prior to 30.0.1 Nextcloud Enterprise Server versions prior to 25.0.13.13 Nextcloud Enterprise Server versions prior to 26.0.13.9...