CVE-2017-6613
moderate-risk
Published 2017-04-20
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.
Do I need to act?
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0.29% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.8/10
Medium
NETWORK
/ LOW complexity
Affected Products (5)
Affected Vendors
References (6)
Third Party Advisory
http://www.securityfocus.com/bid/97924
Third Party Advisory
http://www.securityfocus.com/bid/97924
35
/ 100
moderate-risk
Severity
22/34 · High
Exploitability
1/34 · Minimal
Exposure
12/34 · Low