Brocade Security Advisory

Brocade Security Advisory ID:

BSA-2017-443

 

Risk Impact:

Medium

Initial Publication Date:

September 29, 2017

 

Workaround:

N/A

Last Updated:

November 17, 2017

 

Component:

DHCP

Revision:

2.0: Interim

 

Affected CVE:

CVE-2016-2774

 

 

 

CVSS Score:

2.6

Summary

A resource-consumption flaw was discovered in the DHCP server. dhcpd did not restrict the number of open connections to OMAPI and failover ports. A remote attacker able to establish TCP connections to one of these ports could use this flaw to cause dhcpd to exit unexpectedly, stop responding requests, or exhaust system sockets (denial of service).

Affected Products

Brocade is investigating its product lines to determine which products may be affected by this vulnerability and the impact on each affected product.

Products Confirmed Not Vulnerable

Brocade Fabric OS, Brocade NetIron OS, Brocade ServerIron ADX, and Brocade Virtual ADX are confirmed not affected by this vulnerability.

Workaround

There are no workarounds that address this vulnerability.

Revision History

Version

Change

Date

1.0

Initial Publication

September 29, 2017

2.0

Updated to address FOS

November 17, 2017

Disclaimer

THIS DOCUMENT IS PROVIDED ON AN AS-IS BASIS SOLELY FOR INFORMATIONAL PURPOSES AND DOES NOT IMPLY ANY KIND OF GUARANTY OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. YOUR USE OF THE INFORMATION CONTAINED HEREIN IS AT YOUR OWN RISK. ALL INFORMATION PROVIDED HEREIN IS BASED ON BROCADE'S CURRENT KNOWLEDGE AND UNDERSTANDING OF THE VULNERABILITY AND IMPACT TO BROCADE HARDWARE AND SOFTWARE PRODUCTS. BROCADE RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.