CVE-2022-24888— Possible Injection in Nextcloud Server
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I. Basic Information for CVE-2022-24888
Vulnerability Information
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Vulnerability Title
Possible Injection in Nextcloud Server
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Prior to versions 20.0.14.4, 21.0.8, 22.2.4, and 23.0.1, it is possible to create files and folders that have leading and trailing \n, \r, \t, and \v characters. The server rejects files and folders that have these characters in the middle of their names, so this might be an opportunity for injection. This issue is fixed in versions 20.0.14.4, 21.0.8, 22.2.4, and 23.0.1. There are currently no known workarounds.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
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 Server 20.0.14.4、21.0.8、22.2.4 和 23.0.1之前版本存在安全漏洞，该漏洞源于应用允许可以创建具有前导和尾随 、 、 和 v 字符的文件和文件夹。攻击者利用该漏洞通过参数注入实现拒绝服务。
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 | < 20.0.14.4 | - |
II. Public POCs for CVE-2022-24888
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/nextcloud/server/pull/29895x_refsource_MISC
- https://hackerone.com/reports/1402249x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-24888
Same Patch Batch · nextcloud · 2022-04-27 · 5 CVEs total
| CVE-2022-24887 | 4.3 MEDIUM | Open Redirect in Nextcloud Talk |
| CVE-2022-24889 | 2.4 LOW | Insufficient Verification of Data Authenticity in Nextcloud Server |
| CVE-2022-24886 | 2.2 LOW | Exposure of Sensitive Information to an Unauthorized Actor in com.nextcloud.client |
| CVE-2022-24885 | 2.0 LOW | Improper Authentication in Nextcloud Android Files |
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V. Comments for CVE-2022-24888
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