VDB-100409 · CVE-2017-6613 · BID 97924

Cisco Prime Network Registrar up to 8.3.4 DNS Input Packet Processor resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco Prime Network Registrar up to 8.3.4. Affected by this issue is some unknown functionality of the component DNS Input Packet Processor. The manipulation leads to resource management. This vulnerability is traded as CVE-2017-6613. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Prime Network Registrar up to 8.3.4 and classified as problematic. This issue affects an unknown functionality of the component DNS Input Packet Processor. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

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.

The bug was discovered 04/19/2017. The weakness was shared 04/20/2017 with Cisco as cisco-sa-20170419-prime-dns as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2017-6613 since 03/09/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 8.3.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97924†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.8
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Prime Network Registrar 8.3.5

Timelineinfo

03/09/2017 🔍
04/19/2017 +41 days 🔍
04/19/2017 +0 days 🔍
04/20/2017 +1 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
12/21/2020 +1340 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170419-prime-dns
Researcher: Cisco.
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6613 (🔍)
GCVE (CVE): GCVE-0-2017-6613
GCVE (VulDB): GCVE-100-100409
SecurityFocus: 97924 - Cisco Prime Network Registrar CVE-2017-6613 Denial of Service Vulnerability
OSVDB: - CVE-2017-6613 - Cisco - Prime Network Registrar - Denial of Service Issue
SecurityTracker: 1038331

Entryinfo

Created: 04/21/2017 10:14
Updated: 12/21/2020 11:07
Changes: 04/21/2017 10:14 (62), 09/19/2020 09:42 (6), 12/21/2020 11:05 (2), 12/21/2020 11:07 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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