CVE-2022-22787 Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings

2022-05-1700:00:00

Zoom

www.cve.org

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L

8.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.4%

JSON

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.

CNA Affected

[
  {
    "product": "Zoom Client for Meetings for Android",
    "vendor": "Zoom Video Communications Inc",
    "versions": [
      {
        "lessThan": "5.10.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Zoom Client for Meetings for iOS",
    "vendor": "Zoom Video Communications Inc",
    "versions": [
      {
        "lessThan": "5.10.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Zoom Client for Meetings for Linux",
    "vendor": "Zoom Video Communications Inc",
    "versions": [
      {
        "lessThan": "5.10.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Zoom Client for Meetings for MacOS",
    "vendor": "Zoom Video Communications Inc",
    "versions": [
      {
        "lessThan": "5.10.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Zoom Client for Meetings for Windows",
    "vendor": "Zoom Video Communications Inc",
    "versions": [
      {
        "lessThan": "5.10.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]