Summary

Security Advisory ID : BSA-2017-454

Component : dnsmasq

Revision : 2.0: Final

An integer underflow flaw leading to a buffer over-read was found in dnsmasq in the EDNS0 code. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash. This issue only affected configurations using one of the options: add-mac, add-cpe-id, or add-subnet.

Affected Products
No Brocade Fibre Channel technology products from Broadcom are currently known to be affected by this vulnerability.

Workaround
There are no workarounds that address this vulnerability.

Note
Brocade Manageability products are not vulnerable. However, since the environement that runs the products is not under Brocade's control, Brocade recommends Customers to apply recommendation from the vendors.

Revision History

Version	Change	Date
1.0	Initial Publication	November 17, 2017
2.0	Updated for Fibre Channel products only	December 24, 2018