CVE-2019-13567 — The Zoom Client before 4

The Zoom Client before 4.4.53932.0709 on macOS allows remote code execution, a different vulnerability than CVE-2019-13450. If the ZoomOpener daemon (aka the hidden web server) is running, but the Zoom Client is not installed or can't be opened, an attacker can remotely exec

01What is this vulnerability?

The Zoom Client before 4.4.53932.0709 on macOS allows remote code execution, a different vulnerability than CVE-2019-13450. If the ZoomOpener daemon (aka the hidden web server) is running, but the Zoom Client is not installed or can't be opened, an attacker can remotely execute code with a maliciously crafted launch URL. NOTE: ZoomOpener is removed by the Apple Malware Removal Tool (MRT) if this…

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2019-07-12T03:00:51.000Z
• Last modified: 2024-08-04T23:57:39.254Z

09References

• twitter.com — https://twitter.com/riskybusiness/status/1149125147019767814
• twitter.com — https://twitter.com/JLLeitschuh/status/1149420685405708295
• twitter.com — https://twitter.com/wcbowling/status/1149457231504498689
• twitter.com — https://twitter.com/JLLeitschuh/status/1149422543658520578
• support.zoom.us — https://support.zoom.us/hc/en-us/articles/201361963-New-Updates-for-Mac-OS
• gist.github.com — https://gist.github.com/wbowling/13f9f90365c171806b9ffba2c841026b
• twitter.com — https://twitter.com/wcbowling/status/1166998107667619841