CVE-2023-39963— Nextcloud 访问控制错误漏洞
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I. CVE-2023-39963の基本情報
脆弱性情報
脆弱性についてご質問がありますか？Shenlongの分析が参考になるかご確認ください！
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脆弱性タイトル
Missing password confirmation when creating app passwords
ソース: NVD (National Vulnerability Database)
脆弱性説明
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a missing password confirmation allowed an attacker, after successfully stealing a session from a logged in user, to create app passwords for the victim. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.
ソース: NVD (National Vulnerability Database)
CVSS情報
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
访问控制不恰当
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Nextcloud 访问控制错误漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
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存在访问控制错误漏洞，该漏洞源于缺少密码确认。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)
影響を受ける製品
| ベンダー | プロダクト | 影響を受けるバージョン | CPE | 購読 |
|---|---|---|---|---|
| nextcloud | security-advisories | >= 20.0.0, < 20.0.14.15 | - |
II. CVE-2023-39963の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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公開POCは見つかりませんでした。
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- https://hackerone.com/reports/2067572x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2023-39963
Same Patch Batch · nextcloud · 2023-08-10 · 10 CVEs total
| CVE-2023-39962 | 7.7 HIGH | Users can delete external storage mount points |
| CVE-2023-39952 | 6.5 MEDIUM | Advanced permissions not respected when copying entire group folders |
| CVE-2023-39958 | 5.8 MEDIUM | Missing brute force protection on password reset token OAuth2 API controller |
| CVE-2023-39953 | 4.8 MEDIUM | Issuer not verified from obtained token in user_oidc |
| CVE-2023-39954 | 3.8 LOW | user_oidc app stores client secret unencrypted in database |
| CVE-2023-39955 | 3.5 LOW | Notes attachment render HTML in preview mode |
| CVE-2023-39959 | 3.5 LOW | Existence of calendars and address books can be checked by unauthenticated users |
| CVE-2023-39961 | 3.5 LOW | Text does not respect "Allow download" permissions |
| CVE-2023-39957 | Path traversal allows tricking the Talk Android app into writing files into it's root dire |
IV. 関連脆弱性
同じ製品: security-advisories
- CVE-2026-28272
Kiteworks Email Protection Gateway has a Cross-site Scriptin - CVE-2026-28271
Kiteworks Core is vulnerable to Server-Side Request Forgery - CVE-2026-28270
Kiteworks Core has an Unrestricted Upload of File with Dange - CVE-2026-28269
Kiteworks Core has an OS Command Injection - CVE-2025-66558
Nextcloud Twofactor WebAuthn app was updated based on public
同じベンダー: nextcloud
- CVE-2025-66558
Nextcloud Twofactor WebAuthn app was updated based on public - CVE-2025-66556
Nextcloud talk allows participants to blindly delete poll dr - CVE-2025-66554
Nextcloud Contacts vulnerable to Stored XSS in contacts app - CVE-2025-66549
Nextcloud Desktop discloses information when attempting to l - CVE-2025-66545
Nextcloud Groupfolders users with read-only permissions for
同じ弱点: CWE-284
- CVE-2026-8233
Dotouch XproUPF access control - CVE-2026-42569
phpvms: /importer authorization bypass causing full database - CVE-2026-42205
Avo: Broken Access Control: Unauthorized Execution of Arbitr - CVE-2026-41487
Langfuse: Improper role-based-access control in Langfuse LLM - CVE-2026-42278
UltraDAG: Smart Account Spending Policy Bypass via Pockets
V. CVE-2023-39963へのコメント
まだコメントはありません