CVE-2011-0389 Denial of service in n/a

High 7.8 Published 25 Feb 2011 Updated 6 Aug 2024

Remote attackers can crash Cisco TelePresence Multipoint Switch devices by sending crafted RTCP UDP packets, causing denial of service.

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-2011-0389?

CVE-2011-0389 is a high-severity denial of service vulnerability in n/a, published on 25 Feb 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco TelePresence Multipoint Switch (CTMS) devices with software 1.0.x, 1.1.x, 1.5.x, and 1.6.x allow remote attackers to cause a denial of service (process crash) via a crafted Real-Time Transport Control Protocol (RTCP) UDP packet, aka Bug ID CSCth60993.

Weakness: CWE-399

Which versions are affected by CVE-2011-0389?

It affects 2 products.

Products include Cisco Telepresence Multipoint Switch, Cisco Telepresence Multipoint Switch Software.

How do I fix CVE-2011-0389?

No fix has been published for CVE-2011-0389 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2011-0389 being exploited?

There is no known exploitation of CVE-2011-0389 in the wild and no public exploit code.

Sources

Also known as GHSA-xrvp-4p2v-gq5h.