CVE-2016-1466 Denial of service in n/a

High 7.5 Published 8 Aug 2016 Updated 5 Aug 2024

Remote attackers can cause a denial of service by sending crafted SIP headers, requiring administrators to apply vendor patches.

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-2016-1466?

CVE-2016-1466 is a high-severity denial of service vulnerability in n/a, published on 8 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco Unified Communications Manager IM and Presence Service 9.1(1) SU6, 9.1(1) SU6a, 9.1(1) SU7, 10.5(2) SU2, 10.5(2) SU2a, 11.0(1) SU1, and 11.5(1) allows remote attackers to cause a denial of service (sipd process restart) via crafted headers in a SIP packet, aka Bug ID CSCva39072.

Weakness: CWE-399

Which versions are affected by CVE-2016-1466?

It affects 1 product.

Products include Cisco Unified Communications Manager Im and Presence Service.

How do I fix CVE-2016-1466?

No fix has been published for CVE-2016-1466 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-2016-1466 being exploited?

There is no known exploitation of CVE-2016-1466 in the wild and no public exploit code.

Sources

Also known as GHSA-qxrr-5xpr-p5cm.