CVE-2017-9359 Denial of service in n/a
Remote attackers can crash Asterisk PBX via crafted packets due to an out-of-bounds read in the PJSIP parser.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-9359?
CVE-2017-9359 is a high-severity denial of service vulnerability in Digium Certified Asterisk, published on 2 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The multi-part body parser in PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.
Weakness: CWE-125
Which versions are affected by CVE-2017-9359?
It affects 2 products.
Products include Digium Certified Asterisk, Digium Open Source.
How do I fix CVE-2017-9359?
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-2017-9359 being exploited?
There is no known exploitation of CVE-2017-9359 in the wild and no public exploit code.
Other vulnerabilities in Digium Certified Asterisk
Sources
Also known as GHSA-7x89-2pm4-68r8, UBUNTU-CVE-2017-9359.