The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.

The version of Zoom Client for Meetings installed on the remote host is prior to 5.10.0. It is, therefore, affected by a vulnerability as referenced in the ZSB-22009 advisory.

  - The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to     properly validate the hostname during a server switch request. This issue could be used in a more     sophisticated attack to trick an unsuspecting user's client to connect to a malicious server when     attempting to use Zoom services. Users can help keep themselves secure by applying current updates or     downloading the latest Zoom software with all current security updates from https://zoom.us/download.
    (CVE-2022-22787)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Zoom Client for Meetings installed on the remote macOS or Mac OS X host is prior to 5.10.0 and is therefore affected by multiple vulnerabilities.

  - 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. (CVE-2022-22784)     
  - The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before     version 5.10.0 failed to properly constrain client session cookies to Zoom domains.
    (CVE-2022-22785)     
  - The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before     version 5.10.0 fails to properly validate the hostname during a server switch     request. (CVE-2022-22787)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Zoom Client for Meetings for Windows installed on the remote host is prior to 5.10.0.  It is, therefore, affected by multiple vulnerabilities.

  - 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. (CVE-2022-22784)     
  - The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before     version 5.10.0 failed to properly constrain client session cookies to Zoom domains.
    (CVE-2022-22785)     
  - The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for     Conference Room for Windows before version 5.10.0, fails to properly check the     installation version during the update process. (CVE-2022-22786)     
  - The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before     version 5.10.0 fails to properly validate the hostname during a server switch     request. (CVE-2022-22787)

Taken together, these vulnerabilities allow a unauthenticated, remote attacker can exploit this, via stringing these vulnerabilities together with a MitM attack, to cause Remote Code Execution without any user interaction.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
168806	Zoom Client for Meetings < 5.10.0 Vulnerability (ZSB-22009)	Nessus	Misc.	high
164811	Zoom Client < 5.10.0 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	critical
161760	Zoom Client < 5.10.0 Attack Chain Vulnerabilities	Nessus	Windows	critical

Detections

Analytics

CVE-2022-22787

high

Tenable Plugins

high

critical

critical