PT-2019-13340 · Zoom · Zoom Client

Published 2019-07-09 · Updated 2019-07-17 · CVE-2019-13449

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Zoom Client versions prior to 4.4.2

Description The issue allows remote attackers to cause a denial of service, resulting in continual focus grabs, by sending a sequence of invalid launch?action=join&confno= requests to localhost port 19421.

Recommendations For versions prior to 4.4.2, update to version 4.4.2 or later to resolve the issue.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2019-13449

Affected Products

Zoom Client

References · 7

• 🔥 https://bugs.chromium.org/p/chromium/issues/detail?id=951540 · Exploit
• https://osv.dev/vulnerability/CVE-2019-13449 · Vendor Advisory
• https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-13449 · Security Note
• https://assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf · Vendor Advisory
• https://medium.com/%40jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5 · Note
• https://twitter.com/zoom_us/status/1148710712241295361 · Note