SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   Device (Firewall)  >   McAfee Firewall Enterprise Vendors:   McAfee
(McAfee Issues Fix for McAfee Firewall Enterprise) FreeBSD LAST_ACK State Transition Bug Lets Remote Users Consume Excessive CPU Resources on the Target System
SecurityTracker Alert ID:  1033392
SecurityTracker URL:  http://securitytracker.com/id/1033392
CVE Reference:   CVE-2015-5358   (Links to External Site)
Date:  Aug 27 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8.3.2 and prior
Description:   A vulnerability was reported in the FreeBSD Kernel. A remote user can consume excessive resources on the target system. McAfee Firewall Enterprise is affected.

A remote user can establish a TCP connection with the target system and then cause the connection to transition to the LAST_ACK state while the target daemon is not finished sending data to cause the socket to get stuck in the LAST_ACK state. As a result, the remote user can consume mbufs and connections.

Lawrence Stewart (Netflix, Inc.) and Jonathan Looney (Juniper SIRT) reported this vulnerability.

Impact:   A remote user can consume excessive resources on the target system.
Solution:   McAfee has issued a fix for McAfee Firewall Enterprise (7.0.1.03E75, 8.3.1E80, 8.3.2E60).

The McAfee advisory is available at:

https://kc.mcafee.com/corporate/index?page=content&id=SB10128

Vendor URL:  kc.mcafee.com/corporate/index?page=content&id=SB10128 (Links to External Site)
Cause:   State error

Message History:   This archive entry is a follow-up to the message listed below.
Jul 22 2015 FreeBSD LAST_ACK State Transition Bug Lets Remote Users Consume Excessive CPU Resources on the Target System



 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2019, SecurityGlobal.net LLC