CVE-2024-37317— Nextcloud Notes app can be tricked into using a received share created before the user logged in
Quick assessment
Affected
nextcloud security-advisories
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 Notes 4.6.0及之前版本存在安全漏洞，该漏洞源于如果攻击者在新创建的用户登录之前设法与其共享名为Notes的文件夹，Notes应用程序将使用该文件夹存储个人笔记。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-37317
Vulnerability Information
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Vulnerability Title
Nextcloud Notes app can be tricked into using a received share created before the user logged in
Source: CVE Program / CVE List V5
Vulnerability Description
The Nextcloud Notes app is a distraction free notes taking app for Nextcloud. If an attacker managed to share a folder called `Notes/` with a newly created user before they logged in, the Notes app would use that folder store the personal notes. It is recommended that the Nextcloud Notes app is upgraded to 4.9.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
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 Notes 4.6.0及之前版本存在安全漏洞，该漏洞源于如果攻击者在新创建的用户登录之前设法与其共享名为Notes的文件夹，Notes应用程序将使用该文件夹存储个人笔记。
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 | >= 4.6.0, < 4.9.3 | - |
|
II. Public POCs for CVE-2024-37317
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2024-37317 (1)
-
https://github.com/nextcloud/notes/pull/1260 x_refsource_MISC
Vendor Advisories for CVE-2024-37317 (1)
Other References for CVE-2024-37317 (1)
-
https://hackerone.com/reports/2254151 x_refsource_MISC
Same Patch Batch · nextcloud · 2024-06-14 · 12 CVEs total
| CVE-2024-37882 | 8.1 HIGH | Nextcloud Server can reshare read&share only folder with more permissions |
| CVE-2024-37313 | 7.3 HIGH | Nextcloud server allows the by-pass the second factor |
| CVE-2024-37312 | 6.3 MEDIUM | Nextcloud user_oidc app's ID4me feature is available even when disabled |
| CVE-2024-37886 | 5.4 MEDIUM | Nextcloud user_oidc's ID4me does not validate signature or expiration |
| CVE-2024-37316 | 4.6 MEDIUM | Nextcloud Calendar's event create can create attachments that link to other websites |
| CVE-2024-37883 | 4.3 MEDIUM | Nextcloud Deck can access comments and attachments of deleted cards |
| CVE-2024-37885 | 3.8 LOW | Code injection in Nextcloud Desktop Client for macOS |
| CVE-2024-37314 | 3.5 LOW | Nextcloud Photos' shared albums have no restriction on photo removal |
| CVE-2024-37315 | 3.5 LOW | Nextcloud Server's read-only users can restore old versions |
| CVE-2024-37884 | 3.5 LOW | Nextcloud Server's users can delete old versions of read-only shared files |
| CVE-2024-37887 | 3.5 LOW | Nextcloud Server's events information leaked with shared calendars on recurrence exception |
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V. Comments for CVE-2024-37317
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