Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2024-37886— Nextcloud user_oidc's ID4me does not validate signature or expiration

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，该漏洞源于攻击者可能会诱骗应用接受未由正确服务器签名的请求。

CVSS 5.4 · Medium EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2024-37886

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Nextcloud user_oidc's ID4me does not validate signature or expiration
Source: CVE Program / CVE List V5
Vulnerability Description
user_oidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into accepting a request that is not signed by the correct server. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.5, 2.0.0, 3.0.0, 4.0.0 or 5.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
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，该漏洞源于攻击者可能会诱骗应用接受未由正确服务器签名的请求。
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 < 1.3.5 -

II. Public POCs for CVE-2024-37886

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2024-37886

请登录查看更多情报信息。

Patches & Fixes for CVE-2024-37886 (1)

Vendor Advisories for CVE-2024-37886 (1)

Other References for CVE-2024-37886 (1)

Same Patch Batch · nextcloud · 2024-06-14 · 12 CVEs total

CVE-2024-37882 8.1 HIGH Nextcloud Server can reshare read&share only folder with more permissions
CVE-2024-37313 7.3 HIGH Nextcloud server allows the by-pass the second factor
CVE-2024-37312 6.3 MEDIUM Nextcloud user_oidc app's ID4me feature is available even when disabled
CVE-2024-37316 4.6 MEDIUM Nextcloud Calendar's event create can create attachments that link to other websites
CVE-2024-37317 4.6 MEDIUM Nextcloud Notes app can be tricked into using a received share created before the user log
CVE-2024-37883 4.3 MEDIUM Nextcloud Deck can access comments and attachments of deleted cards
CVE-2024-37885 3.8 LOW Code injection in Nextcloud Desktop Client for macOS
CVE-2024-37314 3.5 LOW Nextcloud Photos' shared albums have no restriction on photo removal
CVE-2024-37315 3.5 LOW Nextcloud Server's read-only users can restore old versions
CVE-2024-37884 3.5 LOW Nextcloud Server's users can delete old versions of read-only shared files
CVE-2024-37887 3.5 LOW Nextcloud Server's events information leaked with shared calendars on recurrence exception

IV. Related Vulnerabilities

Same product: security-advisories
Same vendor: nextcloud
Same weakness: CWE-347

V. Comments for CVE-2024-37886

No comments yet

Leave a comment