CVE-2022-31024— Federated editing allows iframing remote servers by default in richdocuments
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 richdocuments 6.0.0 之前版本, 5.0.4 之前版本和 4.2.6 之前版本存在访问控制错误漏洞，该漏洞源于可以通过发送共享来诱骗用户使用远程 Office。
Possible ATT&CK Techniques 1 AI
T1534 · Internal Spearphishing
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I. Basic Information for CVE-2022-31024
Vulnerability Information
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Vulnerability Title
Federated editing allows iframing remote servers by default in richdocuments
Source: CVE Program / CVE List V5
Vulnerability Description
richdocuments is the repository for NextCloud Collabra, the app for Nextcloud Office collaboration. Prior to versions 6.0.0, 5.0.4, and 4.2.6, a user could be tricked into working against a remote Office by sending them a federated share. richdocuments versions 6.0.0, 5.0.4 and 4.2.6 contain a fix for this issue. There are currently no known workarounds available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud 访问控制错误漏洞
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 richdocuments 6.0.0 之前版本, 5.0.4 之前版本和 4.2.6 之前版本存在访问控制错误漏洞，该漏洞源于可以通过发送共享来诱骗用户使用远程 Office。
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 | < 4.2.6 | - |
|
II. Public POCs for CVE-2022-31024
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2022-31024 (1)
-
https://github.com/nextcloud/richdocuments/pull/2161 x_refsource_MISC
Vendor Advisories for CVE-2022-31024 (1)
Other References for CVE-2022-31024 (1)
-
https://hackerone.com/reports/1210424 x_refsource_MISC
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V. Comments for CVE-2022-31024
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