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CVE-2024-52510— Nextcloud Desktop client behaves incorrectly if the initial end-to-end-encryption signature is empty

CVSS 4.2 · Medium EPSS 0.49% · P66
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I. Basic Information for CVE-2024-52510

Vulnerability Information
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Vulnerability Title
Nextcloud Desktop client behaves incorrectly if the initial end-to-end-encryption signature is empty
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. The Desktop client did not stop with an error but allowed by-passing the signature validation, if a manipulated server sends an empty initial signature. It is recommended that the Nextcloud Desktop client is upgraded to 3.14.2 or later.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nextcloud Desktop Client 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud Desktop Client是Nextcloud GmbH的一个开源的文件同步和共享工具。 Nextcloud Desktop Client存在信任管理问题漏洞，该漏洞源于如果受操纵的服务器发送了空的初始签名，桌面客户端不会因错误而停止，而是允许绕过签名验证。
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

VendorProductAffected VersionsCPESubscribe
nextcloudsecurity-advisories >= 3.0.0, < 3.14.2 -

II. Public POCs for CVE-2024-52510

#POC DescriptionSource LinkShenlong Link
1CVE-2024-52510 - Loss of confidentiality in Nextcloud End to End Encryptionhttps://github.com/d-xuan/CVE-2024-52510POC Details
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III. Intelligence Information for CVE-2024-52510

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Same Patch Batch · nextcloud · 2024-11-15 · 17 CVEs total

CVE-2024-525088.2 HIGHNextcloud Mail auto configurator can be tricked into sending account information to wrong
CVE-2024-525116.3 MEDIUMNextcloud Tables has an Authorization Bypass Through User-Controlled Key in Tables
CVE-2024-525155.7 MEDIUMNextcloud Server has incomplete sanitization of SVG files allows to embed other images int
CVE-2024-525205.7 MEDIUMNextcloud Server's link reference provider can be tricked into downloading bigger files th
CVE-2024-525174.6 MEDIUMNextcloud Server's global credentials of external storages are sent back to the frontend
CVE-2024-525234.6 MEDIUMNextcloud Server Custom defined credentials of external storages are sent back to the fron
CVE-2024-525184.4 MEDIUMNextcloud Server is missing password confirmation when changing external storage options
CVE-2024-525144.1 MEDIUMNextcloud Server allows users to copy folder that contain files that are blocked by the fi
CVE-2024-525093.5 LOWNextcloud Mail app does not respect download permissions in shares
CVE-2024-525073.5 LOWShare information of the Nextcloud Tables app is not limited to affected users
CVE-2024-525123.3 LOWNextcloud User OIDC has an open redirection when logging in with User OIDC
CVE-2024-525163.0 LOWNextcloud Server's shares are not removed when user is limited to share with in their grou
CVE-2024-525192.7 LOWNextcloud Server's OAuth2 client secrets were stored in a recoverable way
CVE-2024-525132.6 LOWNextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Pass
CVE-2024-525212.6 LOWNextcloud Server has a potential hash collision for background jobs could skip queuing the
CVE-2024-525251.8 LOWNextcloud Server User password is available in memory of the PHP process

IV. Related Vulnerabilities

Same product: security-advisories
Same vendor: nextcloud
Same weakness: CWE-295

V. Comments for CVE-2024-52510

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