CVE-2018-15715 Missing authorization in Zoom

Critical 9.8 Published Updated

Remote attackers can spoof UDP messages to remove attendees, spoof messages, or hijack shared screens in Zoom clients.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-15715?

CVE-2018-15715 is a critical missing authorization vulnerability in Zoom Zoom, published on 30 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Zoom clients on Windows (before version 4.1.34814.1119), Mac OS (before version 4.1.34801.1116), and Linux (2.4.129780.0915 and below) are vulnerable to unauthorized message processing. A remote unauthenticated attacker can spoof UDP messages from a meeting attendee or Zoom server in order to invoke functionality in the target client. This allows the attacker to remove attendees from meetings, spoof messages from users, or hijack shared screens.

Weakness: CWE-20, CWE-290

Which versions are affected by CVE-2018-15715?

It affects 1 product.

Products include Zoom Zoom.

How do I fix CVE-2018-15715?

No fix has been published for CVE-2018-15715 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-15715 being exploited?

There is no known exploitation of CVE-2018-15715 in the wild and no public exploit code.

All Zoom Zoom vulnerabilities

Sources

Also known as GHSA-gf85-hm2v-6785.

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