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
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I. Basic Information for CVE-2024-52516
Vulnerability Information
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Vulnerability Title
Nextcloud Server's shares are not removed when user is limited to share with in their groups and being removed from one of them
Source: NVD (National Vulnerability Database)
Vulnerability Description
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 or 23.0.11 or 24.0.6 and Nextcloud Enterprise Server is upgraded to 22.2.11 or 23.0.11 or 24.0.6.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nextcloud 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud 存在安全漏洞，该漏洞源于当服务器配置为仅允许与自己组中的用户共享时，在用户从组中删除后，之前共享的项目不会被取消共享。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| nextcloud | security-advisories | >= 28.0.0, < 28.0.9 | - |
II. Public POCs for CVE-2024-52516
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · nextcloud · 2024-11-15 · 17 CVEs total
| CVE-2024-52508 | 8.2 HIGH | Nextcloud Mail auto configurator can be tricked into sending account information to wrong |
| CVE-2024-52511 | 6.3 MEDIUM | Nextcloud Tables has an Authorization Bypass Through User-Controlled Key in Tables |
| CVE-2024-52515 | 5.7 MEDIUM | Nextcloud Server has incomplete sanitization of SVG files allows to embed other images int |
| CVE-2024-52520 | 5.7 MEDIUM | Nextcloud Server's link reference provider can be tricked into downloading bigger files th |
| CVE-2024-52517 | 4.6 MEDIUM | Nextcloud Server's global credentials of external storages are sent back to the frontend |
| CVE-2024-52523 | 4.6 MEDIUM | Nextcloud Server Custom defined credentials of external storages are sent back to the fron |
| CVE-2024-52518 | 4.4 MEDIUM | Nextcloud Server is missing password confirmation when changing external storage options |
| CVE-2024-52510 | 4.2 MEDIUM | Nextcloud Desktop client behaves incorrectly if the initial end-to-end-encryption signatur |
| CVE-2024-52514 | 4.1 MEDIUM | Nextcloud Server allows users to copy folder that contain files that are blocked by the fi |
| CVE-2024-52509 | 3.5 LOW | Nextcloud Mail app does not respect download permissions in shares |
| CVE-2024-52507 | 3.5 LOW | Share information of the Nextcloud Tables app is not limited to affected users |
| CVE-2024-52512 | 3.3 LOW | Nextcloud User OIDC has an open redirection when logging in with User OIDC |
| CVE-2024-52519 | 2.7 LOW | Nextcloud Server's OAuth2 client secrets were stored in a recoverable way |
| CVE-2024-52513 | 2.6 LOW | Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Pass |
| CVE-2024-52521 | 2.6 LOW | Nextcloud Server has a potential hash collision for background jobs could skip queuing the |
| CVE-2024-52525 | 1.8 LOW | Nextcloud Server User password is available in memory of the PHP process |
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V. Comments for CVE-2024-52516
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