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I. Basic Information for CVE-2021-34421
Vulnerability Information

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Vulnerability Title
Retained exploded messages in Keybase Clients for Android and iOS
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Keybase Client for Android before version 5.8.0 and the Keybase Client for iOS before version 5.8.0 fails to properly remove exploded messages initiated by a user if the receiving user places the chat session in the background while the sending user explodes the messages. This could lead to disclosure of sensitive information which was meant to be deleted from the customer's device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Keybase 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Keybase是一套基于PGP技术的、支持端到端加密的社交网络平台。 Keybase Client for Android 5.8.0之前版本和Keybase Client for iOS 5.8.0之前版本存在信息泄露漏洞,该漏洞源于客户端无法正确删除用户启动消息。这可能会导致泄露本应从客户设备上删除的敏感信息。
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
VendorProductAffected VersionsCPESubscribe
Zoom Video Communications IncKeybase Client for Android unspecified ~ 5.8.0 -
Zoom Video Communications IncKeybase Client for iOS unspecified ~ 5.8.0 -
II. Public POCs for CVE-2021-34421
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III. Intelligence Information for CVE-2021-34421
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IV. Related Vulnerabilities
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