SB2017060808 - Denial of service in Cisco Nexus 7000 Series Switches
Published: June 8, 2017
Security Bulletin ID
SB2017060808
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Denial of service (CVE-ID: CVE-2017-6655)
The vulnerability allows an adjacent unauthenticated attacker to cause DoS condition on the target system.The weakness exists in the Fibre Channel over Ethernet (FCoE) protocol implementation for Cisco NX-OS System Software due to a lack of proper FCoE frame padding validation. A remote attacker can send a stream of specially crafted FCoE frames to a target device and cause FCoE-related process to reload.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.