CVE-2023-25159— Nextcloud Server previews are accessible without a watermark
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I. Basic Information for CVE-2023-25159
Vulnerability Information
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Vulnerability Title
Nextcloud Server previews are accessible without a watermark
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform. Nextcloud Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, Nextcloud Enterprise Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, and Nextcloud Office (Richdocuments) App 6.x prior to 6.3.1 and 7.x prior to 7.0.1 have previews accessible without a watermark. The download should be hidden and the watermark should get applied. This issue is fixed in Nextcloud Server 25.0.1 and 24.0.8, Nextcloud Enterprise Server 25.0.1 and 24.0.8, and Nextcloud Office (Richdocuments) App 7.0.1 (for 25) and 6.3.1 (for 24). No known workarounds are available.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
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 Server存在安全漏洞，该漏洞源于可以在没有水印的情况下预览。
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 | >= 24.0.4, < 24.0.8 | - |
II. Public POCs for CVE-2023-25159
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2023-25159
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- https://hackerone.com/reports/1745755x_refsource_MISC
- https://github.com/nextcloud/server/pull/34799x_refsource_MISC
- https://github.com/nextcloud/richdocuments/pull/2579x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2023-25159
Same Patch Batch · nextcloud · 2023-02-13 · 4 CVEs total
| CVE-2023-25162 | 5.3 MEDIUM | Nextcloud Server vulnerable to SSRF via filter bypass due to lax checking on IPs |
| CVE-2023-25160 | 4.1 MEDIUM | IDOR Vulnerability in Nextcloud Mail |
| CVE-2023-25161 | 3.7 LOW | Nextcloud Server's missing rate limiting on password reset functionality allows sending lo |
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V. Comments for CVE-2023-25159
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