CVE-2021-21301— Video feed was captured while user has disabled video
Quick assessment
Affected
wireapp wire-ios
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.
Wire是个人开发者的一款聊天软件。该软件支持 Web、WindowsiOS、Android、OS X 平台，有群组功能，可以语音通话，发送照片以及其独创性的打招呼方式 PING。 Wire中存在信息泄露漏洞，该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。
Possible ATT&CK Techniques 1 AI
T1123 · Audio Capture
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I. Basic Information for CVE-2021-21301
Vulnerability Information
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Vulnerability Title
Video feed was captured while user has disabled video
Source: CVE Program / CVE List V5
Vulnerability Description
Wire is an open-source collaboration platform. In Wire for iOS (iPhone and iPad) before version 3.75 there is a vulnerability where the video capture isn't stopped in a scenario where a user first has their camera enabled and then disables it. It's a privacy issue because video is streamed to the call when the user believes it is disabled. It impacts all users in video calls. This is fixed in version 3.75.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Wire 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wire是个人开发者的一款聊天软件。该软件支持 Web、WindowsiOS、Android、OS X 平台，有群组功能，可以语音通话，发送照片以及其独创性的打招呼方式 PING。 Wire中存在信息泄露漏洞，该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。
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
II. Public POCs for CVE-2021-21301
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Patches & Fixes for CVE-2021-21301 (2)
-
https://github.com/wireapp/wire-ios/pull/4879 x_refsource_MISC
Vendor Advisories for CVE-2021-21301 (1)
-
https://github.com/wireapp/wire-ios/security/advisories/GHSA-7fg4-x8vj-qvxf x_refsource_CONFIRM
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V. Comments for CVE-2021-21301
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