SB2018062114 - Denial of service in Cisco Nexus 3000 and 9000 Series switches

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Main Vulnerability Database SB2018062114

SB2018062114 - Denial of service in Cisco Nexus 3000 and 9000 Series switches

Published: June 21, 2018

Security Bulletin ID SB2018062114
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2018-0309)

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The vulnerability exists in the associated Simple Network Management Protocol (SNMP) MIB for Cisco Nexus 3000 and 9000 Series Switches due to the incorrect implementation of the CLI command, resulting in a failure to free all allocated memory upon completion. A remote attacker can authenticate to the affected device and repeatedly issue a specific CLI command or send a specific SNMP poll request for a specific Object Identifier (OID) and cause the IP routing process to restart or to cause a device to reset.


Remediation

Install update from vendor's website.

References