Vulnerability identifier: #VU63593
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Zoom Client for Windows
Client/Desktop applications /
Office applications
Zoom Client for macOS
Client/Desktop applications /
Office applications
Zoom Client for Linux
Client/Desktop applications /
Office applications
Zoom Client for Android
Mobile applications /
Apps for mobile phones
Zoom Client for iOS
Mobile applications /
Apps for mobile phones
Vendor: Zoom Video Communications, Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when parsing .zip archives. A remote attacker can pass a specially crafted ZIP archive, trigger resource exhaustion and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Zoom Client for Windows: 5.0.0 23168.0427 - 5.6.1 617
Zoom Client for Android: 5.0.1 23478.0429 - 5.8.4 2783
Zoom Client for macOS: 5.0.0 23186.0427 - 5.7.0 446
Zoom Client for Linux: 5.1.418436.0628 - 5.8.0 16
Zoom Client for iOS: 5.0.0 23161.0427 - 5.8.6 1819
External links
http://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-22002
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.