CVE-2014-4047 Denial of service in n/a
Remote attackers can cause denial of service in Asterisk by exhausting connections with numerous inactive or incomplete HTTP requests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-4047?
CVE-2014-4047 is a medium-severity denial of service vulnerability in Digium Asterisk, published on 17 Jun 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Asterisk Open Source 1.8.x before 1.8.28.1, 11.x before 11.10.1, and 12.x before 12.3.1 and Certified Asterisk 1.8.15 before 1.8.15-cert6 and 11.6 before 11.6-cert3 allows remote attackers to cause a denial of service (connection consumption) via a large number of (1) inactive or (2) incomplete HTTP connections.
Which versions are affected by CVE-2014-4047?
It affects 2 products.
Products include Digium Asterisk, Digium Certified Asterisk.
How do I fix CVE-2014-4047?
Upgrade to a fixed version.
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-2014-4047 being exploited?
There is no known exploitation of CVE-2014-4047 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as DEBIAN-CVE-2014-4047, GHSA-g85f-5xc2-36cg.