CVE-2018-0332 Denial of service in Cisco Unified IP Phone Software unknown
Remote attackers can cause denial of service on Cisco IP phones by flooding SIP traffic due to missing flow control.
- 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-2018-0332?
CVE-2018-0332 is a high-severity denial of service vulnerability in Cisco Unified IP Phone Software unknown, published on 7 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the Session Initiation Protocol (SIP) ingress packet processing of Cisco Unified IP Phone software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to a lack of flow-control mechanisms in the software. An attacker could exploit this vulnerability by sending high volumes of SIP INVITE traffic to the targeted device. Successful exploitation could allow the attacker to cause a disruption of services on the targeted IP phone. Cisco Bug IDs: CSCve10064, CSCve14617, CSCve14638, CSCve14683, CSCve20812, CSCve20926, CSCve20945.
Weakness: CWE-399
Which versions are affected by CVE-2018-0332?
It affects 2 products.
Products include Cisco Ip Phone Firmware, Cisco Unified Ip Phone Firmware.
How do I fix CVE-2018-0332?
No fix has been published for CVE-2018-0332 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-2018-0332 being exploited?
There is no known exploitation of CVE-2018-0332 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified IP Phone Software unknown
Sources
Also known as GHSA-gv4m-rwq2-3qhw.