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CVE
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CVE-2017-6613Date: (C)2017-04-26   (M)2018-02-19


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.8CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 1.4Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: CHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: LOW 
  
Reference:
SECTRACK-1038331
BID-97924
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170419-prime-dns

CPE    2
cpe:/a:cisco:prime_network_registrar:8.3.0
cpe:/a:cisco:prime_network_registrar:8.3.1
CWE    1
CWE-399

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