Cisco NX-OS 11.0(1B) on Nexus 9000 IPv4 ICMP resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco NX-OS 11.0(1B) on Nexus 9000. This impacts an unknown function of the component IPv4 ICMP Handler. Performing a manipulation results in resource management. This vulnerability was named CVE-2015-6398. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Cisco NX-OS 11.0(1B) on Nexus 9000 (Router Operating System). This affects some unknown processing of the component IPv4 ICMP 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 availability. The summary by CVE is:

Cisco Nexus 9000 Application Centric Infrastructure (ACI) Mode switches with software before 11.0(1c) allow remote attackers to cause a denial of service (device reload) via an IPv4 ICMP packet with the IP Record Route option, aka Bug ID CSCuq57512.

The weakness was presented 02/07/2016 with Cisco as CSCuq57512 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2015-6398 since 08/17/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43478 (Cisco Nexus 9000 Series ICMP Record Route Vulnerability (cisco-sa-20160203-n9knci)).

Upgrading to version 11.0(1c) eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 82579†) and Vulnerability Center (SBV-56386†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NX-OS 11.0(1c)

Timelineinfo

08/17/2015 🔍
02/02/2016 +170 days 🔍
02/02/2016 +0 days 🔍
02/03/2016 +1 days 🔍
02/07/2016 +3 days 🔍
02/07/2016 +0 days 🔍
02/08/2016 +1 days 🔍
07/07/2022 +2341 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuq57512
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-6398 (🔍)
GCVE (CVE): GCVE-0-2015-6398
GCVE (VulDB): GCVE-100-80793
SecurityFocus: 82579 - Cisco Nexus 9000 Series ACI Mode Switches CVE-2015-6398 Denial of Service Vulnerability
SecurityTracker: 1034928
Vulnerability Center: 56386 - [cisco-sa-20160203-n9knci] Cisco Nexus 9000 Series Remoet DoS in the ICMP Implementation, High

Entryinfo

Created: 02/08/2016 09:04
Updated: 07/07/2022 07:20
Changes: 02/08/2016 09:04 (64), 05/04/2019 19:17 (10), 07/07/2022 07:20 (3)
Complete: 🔍
Cache ID: 216:2FF:103

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