CVE-2017-9372 Memory corruption in n/a
Remote attackers can crash Asterisk PBX via crafted SIP packets, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-9372?
CVE-2017-9372 is a high-severity memory corruption 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
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 (buffer overflow and application crash) via a SIP packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.
Weakness: CWE-119
Which versions are affected by CVE-2017-9372?
It affects 2 products.
Products include Digium Certified Asterisk, Digium Open Source.
How do I fix CVE-2017-9372?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-9372 being exploited?
There is no known exploitation of CVE-2017-9372 in the wild and no public exploit code.
Other vulnerabilities in Digium Certified Asterisk
Sources
Also known as GHSA-f9w9-cxp5-6pq8, UBUNTU-CVE-2017-9372.