CVE-2021-32694— Malicious Android application can crash the Nextcloud Android Client
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 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存在安全漏洞，同一设备上的恶意应用程序可能会由于未捕获的异常而导致 Nextcloud Android 客户端崩溃。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-32694
Vulnerability Information
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Vulnerability Title
Malicious Android application can crash the Nextcloud Android Client
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud Android app is the Android client for Nextcloud. In versions prior to 3.15.1, a malicious application on the same device is possible to crash the Nextcloud Android Client due to an uncaught exception. The vulnerability is patched in version 3.15.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud Android app 安全漏洞
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存在安全漏洞，同一设备上的恶意应用程序可能会由于未捕获的异常而导致 Nextcloud Android 客户端崩溃。
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 | < 3.15.1 | - |
|
II. Public POCs for CVE-2021-32694
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-32694 (1)
-
https://github.com/nextcloud/android/pull/7919 x_refsource_MISC
Vendor Advisories for CVE-2021-32694 (1)
Other References for CVE-2021-32694 (1)
-
https://hackerone.com/reports/859136 x_refsource_MISC
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