CVE-2015-0743 Denial of service in n/a

Medium 5.0 Published 30 May 2015 Updated 6 Aug 2024

Remote attackers can cause DHCP and TFTP outages in Cisco Headend System by flooding crafted UDP traffic.

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-2015-0743?

CVE-2015-0743 is a medium-severity denial of service vulnerability in n/a, published on 30 May 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco Headend System Release allows remote attackers to cause a denial of service (DHCP and TFTP outage) via a flood of crafted UDP traffic, aka Bug ID CSCus04097.

Weakness: CWE-399

Which versions are affected by CVE-2015-0743?

It affects 2 products.

Products include Cisco Headend Digital Broadband Delivery System, Cisco Headend System Release.

How do I fix CVE-2015-0743?

No fix has been published for CVE-2015-0743 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-2015-0743 being exploited?

There is no known exploitation of CVE-2015-0743 in the wild and no public exploit code.

Sources

Also known as GHSA-g89x-fv92-p98w.