CVE-2017-6613 Denial of service in Cisco Prime Network Registrar
Unauthenticated remote attackers can cause a partial denial of service by sending malformed DNS packets to Cisco Prime Network Registrar.
- 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-2017-6613?
CVE-2017-6613 is a medium-severity denial of service vulnerability in Cisco Prime Network Registrar, published on 20 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the DNS input packet processor for Cisco Prime Network Registrar could allow an unauthenticated, remote attacker to cause the DNS process to momentarily restart, which could lead to a partial denial of service (DoS) condition on the affected system. The vulnerability is due to incomplete DNS packet header validation when the packet is received by the application. An attacker could exploit this vulnerability by sending a malformed DNS packet to the application. An exploit could allow the attacker to cause the DNS process to restart, which could lead to a DoS condition. This vulnerability affects Cisco Prime Network Registrar on all software versions prior to 8.3.5. Cisco Bug IDs: CSCvb55412.
Which versions are affected by CVE-2017-6613?
It affects 1 product.
Products include Cisco Prime Network Registrar.
How do I fix CVE-2017-6613?
No fix has been published for CVE-2017-6613 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-2017-6613 being exploited?
There is no known exploitation of CVE-2017-6613 in the wild and no public exploit code.
Other vulnerabilities in Cisco Prime Network Registrar
- CVE-2019-1840 Cisco Prime Network Registrar Denial of Service Vulnerability
- CVE-2020-3272 Cisco Prime Network Registrar DHCP Denial of Service Vulnerability
- CVE-2016-1427 Information disclosure in n/a
- CVE-2015-6296 Hardcoded credentials in n/a
- CVE-2020-3148 Cisco Prime Network Registrar Cross-Site Request Forgery Vulnerability
Sources
Also known as GHSA-3rvq-jp9x-cxmh.