CVE-2022-39210— Access to internal files of the Nextcloud Android app
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I. Basic Information for CVE-2022-39210
Vulnerability Information
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Vulnerability Title
Access to internal files of the Nextcloud Android app
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud android is the official Android client for the Nextcloud home server platform. Internal paths to the Nextcloud Android app files are not properly protected. As a result access to internal files of the from within the Nextcloud Android app is possible. This may lead to a leak of sensitive information in some cases. It is recommended that the Nextcloud Android app is upgraded to 3.21.0. There are no known workarounds for this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nextcloud Android app 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud Android app是德国Nextcloud公司的一款基于Android平台，用于访问Nextcloud服务器的移动应用程序。 Nextcloud Android app 3.21.0之前版本存在路径遍历漏洞，该漏洞源于应用程序文件的内部路径未得到适当保护，因此可以从应用程序中访问内部文件，在某些情况下，这可能会导致敏感信息泄露。
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 | < 3.21.0 | - |
II. Public POCs for CVE-2022-39210
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/nextcloud/android/pull/10544x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-39210
Same Patch Batch · nextcloud · 2022-09-16 · 3 CVEs total
| CVE-2022-39212 | 4.3 MEDIUM | Last video frame is still sent after video is disabled in a call in Nextcloud Talk |
| CVE-2022-39211 | 3.0 LOW | Server-Side Request Forgery (SSRF) via potential filter bypass in Nextcloud Server |
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