Vulnerability Details : CVE-2017-6613
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.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2017-6613
- cpe:2.3:a:cisco:prime_network_registrar:8.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:prime_network_registrar:8.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:prime_network_registrar:8.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:prime_network_registrar:8.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:prime_network_registrar:8.3.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-6613
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-6613
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
5.8
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2017-6613
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
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Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2017-6613
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http://www.securitytracker.com/id/1038331
Cisco Prime Network Registrar DNS Packet Validation Flaw Lets Remote Users Cause the Target Service to Crash - SecurityTracker
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https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170419-prime-dns
Cisco Prime Network Registrar DNS Denial of Service VulnerabilityVendor Advisory
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http://www.securityfocus.com/bid/97924
Cisco Prime Network Registrar CVE-2017-6613 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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