Denial of service in Zoom client

1) Resource exhaustion

EUVDB-ID: #VU63593

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: CVE-2022-22780

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.