title: Zoom Chat Susceptible to Zip Bombing
description: The Zoom Client for Meetings chat functionality was susceptible to Zip bombing attacks in the following product versions: Android before version 5.8.6, iOS before version 5.9.0, Linux before version 5.8.6, macOS before version 5.7.3, and Windows before version 5.6.3. This could lead to availability issues on the client host by exhausting system resources.
problem types: Allocation of Resources Without Limits or Throttling
affected:
{
product: Zoom Client for Meetings for Android
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.8.6, status: affected, version: unspecified, versionType: custom
}
{
product: Zoom Client for Meetings for iOS
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.9.0, status: affected, version: unspecified, versionType: custom
}
{
product: Zoom Client for Meetings for Linux
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.8.6, status: affected, version: unspecified, versionType: custom
}
{
product: Zoom Client for Meetings for macOS
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.7.3, status: affected, version: unspecified, versionType: custom
}
{
product: Zoom Client for Meetings for Windows
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.6.3, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 4.7
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L
version: 3.1
]