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CVE-2022-22779— Retained exploded messages in Keybase clients for macOS and Windows

Quick assessment

Affected
Zoom Video Communications Inc Keybase Client for macOS
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.

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 存在信息泄露漏洞，该漏洞源于 Keybase 客户端无法正确删除用户发起的 exploded messages。 如果接收用户切换到非聊天功能并在发送用户 exploded messages 之前将主机置于睡眠状态，则可能会发生这种情况。 这可能会导致本应从用户文件系统中删除的敏感信息泄露。

CVSS 3.7 · Low EPSS 0.80% · P55

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2022-22779

Vulnerability Information
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Vulnerability Title
Retained exploded messages in Keybase clients for macOS and Windows
Source: CVE Program / CVE List V5
Vulnerability Description
The Keybase Clients for macOS and Windows before version 5.9.0 fails to properly remove exploded messages initiated by a user. This can occur if the receiving user switches to a non-chat feature and places the host in a sleep state before the sending user explodes the messages. This could lead to disclosure of sensitive information which was meant to be deleted from a user’s filesystem.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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 存在信息泄露漏洞，该漏洞源于 Keybase 客户端无法正确删除用户发起的 exploded messages。 如果接收用户切换到非聊天功能并在发送用户 exploded messages 之前将主机置于睡眠状态，则可能会发生这种情况。 这可能会导致本应从用户文件系统中删除的敏感信息泄露。
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
Zoom Video Communications Inc Keybase Client for macOS unspecified ~ 5.9.0 -
Zoom Video Communications Inc Keybase Client for Windows unspecified ~ 5.9.0 -

II. Public POCs for CVE-2022-22779

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III. Intelligence Information for CVE-2022-22779

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Other References for CVE-2022-22779 (1)

IV. Related Vulnerabilities

Same vendor: Zoom Video Communications Inc

V. Comments for CVE-2022-22779

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