Arista EOS up to 4.15.8/4.16.7/4.17.0 on DCS-7050 Control Plane resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Arista EOS up to 4.15.8/4.16.7/4.17.0 on DCS-7050. Affected is an unknown function of the component Control Plane. The manipulation results in resource management. This vulnerability was named CVE-2016-6894. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Arista EOS up to 4.15.8/4.16.7/4.17.0 on DCS-7050. It has been classified as problematic. Affected is an unknown part of the component Control Plane. 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. CVE summarizes:

Arista EOS 4.15 before 4.15.8M, 4.16 before 4.16.7M, and 4.17 before 4.17.0F on DCS-7050 series devices allow remote attackers to cause a denial of service (device reboot) by sending crafted packets to the control plane.

The bug was discovered 01/04/2017. The weakness was presented 01/04/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2016-6894 since 08/19/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 107068 (Arista Networks EOS Control Plane Packet Handling DoS (SA0025)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context c.

Upgrading to version 4.15.8M, 4.16.7M or 4.17.0F eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (107068) and SecurityFocus (BID 95267†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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Nessus ID: 107068
Nessus Name: Arista Networks EOS Control Plane Packet Handling DoS (SA0025)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103353
OpenVAS Name: Arista EOS DoS Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: EOS 4.15.8M/4.16.7M/4.17.0F

Timelineinfo

08/19/2016 🔍
10/17/2016 +59 days 🔍
01/04/2017 +79 days 🔍
01/04/2017 +0 days 🔍
01/04/2017 +0 days 🔍
01/04/2017 +0 days 🔍
01/05/2017 +1 days 🔍
01/05/2017 +0 days 🔍
02/28/2018 +418 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6894 (🔍)
GCVE (CVE): GCVE-0-2016-6894
GCVE (VulDB): GCVE-100-95028
SecurityFocus: 95267 - Arista EOS CVE-2016-6894 Denial of Service Vulnerability
OSVDB: - CVE-2016-6894 - Arista - EOS - Denial of Service Issue

Entryinfo

Created: 01/05/2017 12:56
Changes: 01/05/2017 12:56 (77)
Complete: 🔍
Cache ID: 216::103

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