CVE-2019-13449 Information

Description

In the Zoom Client before 4.4.2 on macOS remote attackers can cause a denial of service (continual focus grabs) via a sequence of invalid launch?action=join&confno= requests to localhost port 19421.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/ https://bugs.chromium.org/p/chromium/issues/detail?id=951540 https://medium.com/@jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5 https://twitter.com/zoom_us/status/1148710712241295361

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5