WID-SEC-W-2024-3484

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Nextcloud: Mehrere Schwachstellen

view advisory published 2024-11-17

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand zu erzeugen oder Daten zu manipulieren.

01

describes (18)

Related CVEs.

IDseverity exploitable
CVE-2024-52514USlow3.5—
Nextcloud Server is a self hosted personal cloud system. After a user received a share with some files inside being blocked by the files access control, the user would still be abl…
CVE-2024-52513USmedium4.3—
Nextcloud Server is a self hosted personal cloud system. After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that ar…
CVE-2024-52512USmedium6.1—
user_oidc app is an OpenID Connect user backend for Nextcloud. A malicious user could send a malformed login link that would redirect the user to a provided URL after successfully…
CVE-2024-52511USmedium6.5—
Nextcloud Tables allows users to to create tables with individual columns. By directly specifying the ID of a table or view, a malicious user could blindly insert new rows into tab…
CVE-2024-52510UShigh7.5Exploit
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. The Desktop client did not stop with an error but allowed by-passing the signa…
CVE-2024-52509USmedium5.7—
Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. The Nextcloud mail app incorrectly allowed attaching shared files without download permissions as…
CVE-2024-52508UShigh8.1—
Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like user@example.tld that d…
CVE-2024-52507USmedium4.3—
Nextcloud Tables allows users to to create tables with individual columns. The information which Table (numeric ID) is shared with which groups and users and the respective permiss…
CVE-2024-52525UShigh7.5OT elevated—
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 b…
CVE-2024-52523USmedium6.5—
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 the…
CVE-2024-52521USmedium5.3—
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 arg…
CVE-2024-52520USmedium6.5—
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 inte…
CVE-2024-52519UShigh8.2—
Nextcloud Server is a self hosted personal cloud system. The OAuth2 client secrets were stored in a recoverable way, so that an attacker that got access to a backup of the database…
CVE-2024-52518USmedium5.4OT elevated—
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 del…
CVE-2024-52517USmedium5.9—
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 r…
CVE-2024-52516USmedium4.3—
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 g…
CVE-2024-52515USmedium6.5—
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 refe…
CVE-2024-46958UScritical9.1OT elevated—
In Nextcloud Desktop Client 3.13.1 through 3.13.3 on Linux, synchronized files (between the server and client) may become world writable or world readable. This is fixed in 3.13.4.
02

references

External citations — patches, advisories, analysis.

scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan