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CVE-2024-52525— Nextcloud Server User password is available in memory of the PHP process

Quick assessment

Affected
nextcloud security-advisories
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于在某些情况下，用户的密码会以未加密的形式存储在会话数据中。会话数据在保存到会话存储（Redis 或磁盘）之前会进行加密，但这将允许恶意进程访问 PHP 进程的内存，从而获取用户的明文密码。

CVSS 1.8 · Low EPSS 0.34% · P26

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2024-52525

Vulnerability Information
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Vulnerability Title
Nextcloud Server User password is available in memory of the PHP process
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud Server is a self hosted personal cloud system. Under certain conditions the password of a user was stored unencrypted in the session data. The session data is encrypted before being saved in the session storage (Redis or disk), but it would allow a malicious process that gains access to the memory of the PHP process, to get access to the cleartext password of the user. It is recommended that the Nextcloud Server is upgraded to 28.0.12, 29.0.9 or 30.0.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
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，该漏洞源于在某些情况下，用户的密码会以未加密的形式存储在会话数据中。会话数据在保存到会话存储（Redis 或磁盘）之前会进行加密，但这将允许恶意进程访问 PHP 进程的内存，从而获取用户的明文密码。
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 >= 28.0.0, < 28.0.12 -

II. Public POCs for CVE-2024-52525

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III. Intelligence Information for CVE-2024-52525

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Vendor Advisories for CVE-2024-52525 (1)

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

CVE-2024-52508 8.2 HIGH Nextcloud Mail auto configurator can be tricked into sending account information to wrong
CVE-2024-52511 6.3 MEDIUM Nextcloud Tables has an Authorization Bypass Through User-Controlled Key in Tables
CVE-2024-52515 5.7 MEDIUM Nextcloud Server has incomplete sanitization of SVG files allows to embed other images int
CVE-2024-52520 5.7 MEDIUM Nextcloud Server's link reference provider can be tricked into downloading bigger files th
CVE-2024-52517 4.6 MEDIUM Nextcloud Server's global credentials of external storages are sent back to the frontend
CVE-2024-52523 4.6 MEDIUM Nextcloud Server Custom defined credentials of external storages are sent back to the fron
CVE-2024-52518 4.4 MEDIUM Nextcloud Server is missing password confirmation when changing external storage options
CVE-2024-52510 4.2 MEDIUM Nextcloud Desktop client behaves incorrectly if the initial end-to-end-encryption signatur
CVE-2024-52514 4.1 MEDIUM Nextcloud Server allows users to copy folder that contain files that are blocked by the fi
CVE-2024-52509 3.5 LOW Nextcloud Mail app does not respect download permissions in shares
CVE-2024-52507 3.5 LOW Share information of the Nextcloud Tables app is not limited to affected users
CVE-2024-52512 3.3 LOW Nextcloud User OIDC has an open redirection when logging in with User OIDC
CVE-2024-52516 3.0 LOW Nextcloud Server's shares are not removed when user is limited to share with in their grou
CVE-2024-52519 2.7 LOW Nextcloud Server's OAuth2 client secrets were stored in a recoverable way
CVE-2024-52513 2.6 LOW Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Pass
CVE-2024-52521 2.6 LOW Nextcloud Server has a potential hash collision for background jobs could skip queuing the

IV. Related Vulnerabilities

Same product: security-advisories
Same vendor: nextcloud
Same weakness: CWE-312

V. Comments for CVE-2024-52525

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