CVE-2022-41968— Nextcloud Server's calendar name length not validated before writing to database
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I. Basic Information for CVE-2022-41968
Vulnerability Information
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Vulnerability Title
Nextcloud Server's calendar name length not validated before writing to database
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.10 and 24.0.5, calendar name lengths are not validated before writing to a database. As a result, an attacker can send unnecessary amounts of data against the database. Version 23.0.10 and 24.0.5 contain patches for the issue. No known workarounds are available.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nextcloud 资源管理错误漏洞
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 Server 23.0.10之前版本、24.0.5之前版本存在资源管理错误漏洞，该漏洞源于在写入数据库之前，不会验证日历名称长度。
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 | < 23.0.10 | - |
II. Public POCs for CVE-2022-41968
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://hackerone.com/reports/1596148x_refsource_MISC
- https://github.com/nextcloud/server/pull/33139x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-41968
Same Patch Batch · nextcloud · 2022-12-01 · 4 CVEs total
| CVE-2022-41971 | 4.8 MEDIUM | Nextcloud Talk guests can continue to receive video streams from call after being removed |
| CVE-2022-41970 | 2.6 LOW | Nextcloud Server's disabled download shares still allow download through preview images |
| CVE-2022-41969 | 2.4 LOW | Nextcloud Server has no password length limit when creating a user as an administrator |
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V. Comments for CVE-2022-41968
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