CVE-2023-45151— OAuth2 client_secret stored in plain text in the Nextcloud database
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I. Basic Information for CVE-2023-45151
Vulnerability Information
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Vulnerability Title
OAuth2 client_secret stored in plain text in the Nextcloud database
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud server is an open source home cloud platform. Affected versions of Nextcloud stored OAuth2 tokens in plaintext which allows an attacker who has gained access to the server to potentially elevate their privilege. This issue has been addressed and users are recommended to upgrade their Nextcloud Server to version 25.0.8, 26.0.3 or 27.0.1. There are no known workarounds for this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文存储
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 存在安全漏洞。攻击者利用该漏洞可以提升权限。
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 | >= 25.0.0, < 25.0.8 | - |
II. Public POCs for CVE-2023-45151
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://hackerone.com/reports/1994324x_refsource_MISC
- https://github.com/nextcloud/server/pull/38398x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2023-45151
Same Patch Batch · nextcloud · 2023-10-16 · 5 CVEs total
| CVE-2023-45150 | 4.3 MEDIUM | Inviting excessive long email addresses to a calendar event makes the Nextcloud server unr |
| CVE-2023-45149 | 4.3 MEDIUM | Password of talk conversations can be bruteforced in Nextcloud |
| CVE-2023-45148 | 4.3 MEDIUM | Rate limiter not working reliable when Memcached is installed in Nextcloud |
| CVE-2023-45660 | 4.3 MEDIUM | Require strict cookies for image proxy requests in Nextcloud Mail |
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Information Disclosure, Tampering, and Denial-of-Service Vul
V. Comments for CVE-2023-45151
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