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CVE-2022-22784— Improper XML Parsing in Zoom Client for Meetings

Quick assessment

Affected
Zoom Video Communications Inc Zoom Client for Meetings for Android
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zoom Client是美国Zoom公司的一款支持多种平台的视频会议客户端应用程序。 Zoom Client for Meetings 5.10.0之前版本存在安全漏洞，该漏洞源于无法正确解析 XMPP 消息中的 XML。攻击者利用该漏洞突破当前 XMPP 环境并创建新的环境让受害者的客户端执行各种操作。

CVSS 8.1 · High EPSS 4.02% · P90
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I. Basic Information for CVE-2022-22784

Vulnerability Information
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Vulnerability Title
Improper XML Parsing in Zoom Client for Meetings
Source: CVE Program / CVE List V5
Vulnerability Description
The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly parse XML stanzas in XMPP messages. This can allow a malicious user to break out of the current XMPP message context and create a new message context to have the receiving users client perform a variety of actions.This issue could be used in a more sophisticated attack to forge XMPP messages from the server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom Client是美国Zoom公司的一款支持多种平台的视频会议客户端应用程序。 Zoom Client for Meetings 5.10.0之前版本存在安全漏洞，该漏洞源于无法正确解析 XMPP 消息中的 XML。攻击者利用该漏洞突破当前 XMPP 环境并创建新的环境让受害者的客户端执行各种操作。
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 Zoom Client for Meetings for Android unspecified ~ 5.10.0 -
Zoom Video Communications Inc Zoom Client for Meetings for iOS unspecified ~ 5.10.0 -
Zoom Video Communications Inc Zoom Client for Meetings for Linux unspecified ~ 5.10.0 -
Zoom Video Communications Inc Zoom Client for Meetings for MacOS unspecified ~ 5.10.0 -
Zoom Video Communications Inc Zoom Client for Meetings for Windows unspecified ~ 5.10.0 -

II. Public POCs for CVE-2022-22784

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III. Intelligence Information for CVE-2022-22784

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Other References for CVE-2022-22784 (1)

Same Patch Batch · Zoom Video Communications Inc · 2022-05-18 · 4 CVEs total

CVE-2022-22786 7.5 HIGH Update package downgrade in Zoom Client for Meetings for Windows
CVE-2022-22785 5.9 MEDIUM Improperly constrained session cookies in Zoom Client for Meetings
CVE-2022-22787 5.9 MEDIUM Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings

IV. Related Vulnerabilities

Same product: Zoom Client for Meetings for Android
Same vendor: Zoom Video Communications Inc

V. Comments for CVE-2022-22784

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