CVE-2014-4048 Denial of service in n/a
Remote attackers can cause a denial of service in Asterisk by terminating SIP subscription requests prematurely, leading to a deadlock.
- 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-2014-4048?
CVE-2014-4048 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
The PJSIP Channel Driver in Asterisk Open Source before 12.3.1 allows remote attackers to cause a denial of service (deadlock) by terminating a subscription request before it is complete, which triggers a SIP transaction timeout.
Which versions are affected by CVE-2014-4048?
It affects 1 product.
Products include Digium Asterisk.
How do I fix CVE-2014-4048?
No fix has been published for CVE-2014-4048 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-2014-4048 being exploited?
There is no known exploitation of CVE-2014-4048 in the wild and no public exploit code.
Other vulnerabilities in Digium Asterisk
Sources
Also known as GHSA-5rvj-6jpg-mr39.