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

SecurityTracker
Archives


 


Category:   Application (Generic)  >   Spice Vendors:   Red Hat
(Ubuntu Issues Fix) Spice Race Condition and Buffer Overflows Let Local Guest System Users Crash the Host or Execute Arbitrary Code on the Host System
SecurityTracker Alert ID:  1033754
SecurityTracker URL:  http://securitytracker.com/id/1033754
CVE Reference:   CVE-2015-5260, CVE-2015-5261   (Links to External Site)
Date:  Oct 7 2015
Impact:   Denial of service via network, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 0.12.6
Description:   Three vulnerabilities were reported in Spice. A local user on the guest system can cause denial of service conditions on the host system. A local user on the guest system can gain elevated privileges on the host system.

A local user on the guest system can supply specially crafted QXL command 'surface_id' parameter values to trigger a heap overflow and cause the target QEMU-KVM process on the host system to crash [CVE-2015-5260].

A local user on the guest system can supply specially crafted QXL commands to trigger a heap overflow and read or write arbitrary memory locations on the target host system [CVE-2015-5261]. This can be exploited to gain elevated privileges on the host system.

A local user on the guest system can trigger a race condition in the worker_update_monitors_config() function to cause the target QEMU-KVM process on the host system to crash [CVE-2015-3247].

Frediano Ziglio of Red Hat reported these vulnerabilities.

Impact:   A local user on the guest system can cause denial of service conditions on the host system.

A local user on the guest system can gain elevated privileges on the host system.

Solution:   Ubuntu has issued a fix for CVE-2015-5260 and CVE-2015-5261.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-2766-1

Vendor URL:  www.ubuntu.com/usn/usn-2766-1 (Links to External Site)
Cause:   Access control error, Boundary error, State error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.04 LTS, 15.04

Message History:   This archive entry is a follow-up to the message listed below.
Oct 7 2015 Spice Race Condition and Buffer Overflows Let Local Guest System Users Crash the Host or Execute Arbitrary Code on the Host 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 2021, SecurityGlobal.net LLC