Cisco NX-OS up to 5.2 on Nexus 1000V Discovery Protocol Packet resource management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Cisco NX-OS up to 5.2 on Nexus 1000V (Router Operating System). It has been classified as critical. This affects an unknown code block of the component Discovery Protocol Packet Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Cisco Nexus 1000v Application Virtual Switch (AVS) devices before 5.2(1)SV3(1.5i) allow remote attackers to cause a denial of service (ESXi hypervisor crash and purple screen) via a crafted Cisco Discovery Protocol packet that triggers an out-of-bounds memory access, aka Bug ID CSCuw57985.
The weakness was published 07/28/2016 with Cisco as CSCuw57985 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2016-1465 since 01/04/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 316020 (Cisco NX-OS Discovery Protocol Packet Processing Denial of Service Vulnerability (cisco-sa-20160727-avs)).
Upgrading to version 5.2(1)SV3(1.5i) eliminates this vulnerability.
Similar entries are available at VDB-167854, VDB-174585, VDB-207286 and VDB-210198.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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OpenVAS ID: 103402
OpenVAS Name: Cisco Nexus 1000v Application Virtual Switch Cisco Discovery Protocol Packet Processing Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Upgrade: NX-OS 5.2(1)SV3(1.5i)
Timeline
01/04/2016 🔍07/27/2016 🔍
07/27/2016 🔍
07/28/2016 🔍
07/28/2016 🔍
09/09/2022 🔍
Sources
Vendor: cisco.comAdvisory: CSCuw57985
Organization: Cisco
Status: Confirmed
CVE: CVE-2016-1465 (🔍)
SecurityTracker: 1036469
SecurityFocus: 92154 - Cisco Nexus 1000v Application Virtual Switch CVE-2016-1465 Denial of Service Vulnerability
See also: 🔍
Entry
Created: 07/28/2016 12:42Updated: 09/09/2022 14:47
Changes: 07/28/2016 12:42 (61), 05/04/2019 19:18 (12), 09/09/2022 14:47 (4)
Complete: 🔍
Cache ID: 18:CAD:103
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