CVE-2023-35172— Nextcloud Server password reset endpoint is not brute force protected
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I. Basic Information for CVE-2023-35172
Vulnerability Information
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Vulnerability Title
Nextcloud Server password reset endpoint is not brute force protected
Source: NVD (National Vulnerability Database)
Vulnerability Description
NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. In NextCloud Server versions 25.0.0 until 25.0.7 and 26.0.0 until 26.0.2 and Nextcloud Enterprise Server versions 21.0.0 until 21.0.9.12, 22.0.0 until 22.2.10.12, 23.0.0 until 23.0.12.7, 24.0.0 until 24.0.12.2, 25.0.0 until 25.0.7, and 26.0.0 until 26.0.2, an attacker can bruteforce the password reset links. Nextcloud Server n 25.0.7 and 26.0.2 and Nextcloud Enterprise Server 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7, and 26.0.2 contain a patch for this issue. No known workarounds are available.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
过多认证尝试的限制不恰当
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，该漏洞源于允许攻击者暴力破解密码重置链接。受影响的产品和版本：NxtCloud Server 25.0.0及之前版本，26.0.0及之前版本；NextCloud Enterprise Server 21.0.0及之前版本，22.0.0及之前版本，23.0.0及之前版本，24.0.0及之前版本，25.0.0及之前版本，26.0.0及之前版本。
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 | Nextcloud Server >= 25.0.0, < 25.0.7 | - |
II. Public POCs for CVE-2023-35172
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|---|
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- https://hackerone.com/reports/1987062x_refsource_MISC
- https://github.com/nextcloud/server/pull/38267x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2023-35172
Same Patch Batch · nextcloud · 2023-06-23 · 5 CVEs total
| CVE-2023-35928 | 8.5 HIGH | Nextcloud user scoped external storage can be used to gather credentials of other users |
| CVE-2023-35927 | 7.6 HIGH | Nextcloud system addressbooks can be modified by malicious trusted server |
| CVE-2023-35173 | 5.7 MEDIUM | End-to-End encrypted file-drops can be made inaccessible |
| CVE-2023-35171 | 4.1 MEDIUM | Nextcloud Server vulnerable to open redirect on "Unsupported browser" warning |
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