Cisco NX-OS on Nexus 1000V ARP resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco NX-OS on Nexus 1000V and classified as problematic. This affects an unknown function of the component ARP Handler. Executing a manipulation can lead to resource management. This vulnerability is handled as CVE-2015-6277. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Cisco NX-OS on Nexus 1000V (Router Operating System) (the affected version is unknown). This vulnerability affects an unknown code of the component ARP Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The ARP implementation in Cisco NX-OS on Nexus 1000V devices for VMware vSphere 5.2(1)SV3(1.4), Nexus 3000 devices 7.3(0)ZD(0.47), Nexus 4000 devices 4.1(2)E1, Nexus 9000 devices 7.3(0)ZD(0.61), and MDS 9000 devices 7.0(0)HSK(0.353) and SAN-OS NX-OS on MDS 9000 devices 7.0(0)HSK(0.353) allows remote attackers to cause a denial of service (ARP process restart) via crafted packet-header fields, aka Bug ID CSCut25292.

The weakness was released 09/02/2015 with Cisco as CSCut25292 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2015-6277 since 08/17/2015. The attack needs to be initiated within the local network. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/14/2022).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43457 (Cisco NX-OS Malformed ARP Header Denial of Service Vulnerability (Cisco-SA-20150901-CVE-2015-6277)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at SecurityFocus (BID 76548†) and Vulnerability Center (SBV-53252†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103402
OpenVAS Name: Cisco NX-OS Malformed ARP Header Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2015 🔍
09/01/2015 +15 days 🔍
09/01/2015 +0 days 🔍
09/02/2015 +1 days 🔍
09/02/2015 +0 days 🔍
09/03/2015 +1 days 🔍
10/06/2015 +33 days 🔍
06/14/2022 +2443 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCut25292
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-6277 (🔍)
GCVE (CVE): GCVE-0-2015-6277
GCVE (VulDB): GCVE-100-77536
SecurityFocus: 76548 - Cisco NX-OS Software CVE-2015-6277 Denial of Service Vulnerability
SecurityTracker: 1033443
Vulnerability Center: 53252 - Cisco NX-OS on Nexus Devices Remote DoS Vulnerability in Address Resolution Protocol (ARP) Feature - CVE-2015-6277, Medium

Entryinfo

Created: 09/03/2015 10:20
Updated: 06/14/2022 08:02
Changes: 09/03/2015 10:20 (52), 02/03/2018 10:37 (14), 06/14/2022 08:02 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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