CVE-2023-22473— Passcode bypass on Talk-Android app
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 Talk是德国Nextcloud公司的一款自托管的本地音频/视频和聊天通信服务。 Nextcloud Talk 存在访问控制错误漏洞。攻击者利用该漏洞能够访问用户的Nextcloud文件并查看对话。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2023-22473
Vulnerability Information
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Vulnerability Title
Passcode bypass on Talk-Android app
Source: CVE Program / CVE List V5
Vulnerability Description
Talk-Android enables users to have video & audio calls through Nextcloud on Android. Due to passcode bypass, an attacker is able to access the user's Nextcloud files and view conversations. To exploit this the attacker needs to have physical access to the target's device. There are currently no known workarounds available. It is recommended that the Nextcloud Talk Android app is upgraded to 15.0.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:N/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 Talk 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud Talk是德国Nextcloud公司的一款自托管的本地音频/视频和聊天通信服务。 Nextcloud Talk 存在访问控制错误漏洞。攻击者利用该漏洞能够访问用户的Nextcloud文件并查看对话。
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 | < 15.0.2 | - |
|
II. Public POCs for CVE-2023-22473
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2023-22473 (1)
-
https://github.com/nextcloud/talk-android/pull/2598 x_refsource_MISC
Vendor Advisories for CVE-2023-22473 (1)
Other References for CVE-2023-22473 (1)
-
https://hackerone.com/reports/1784645 x_refsource_MISC
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V. Comments for CVE-2023-22473
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