QEMU 'scsi_disk_emulate_command()' Function Local Denial of Service Vulnerability

Bugtraq ID:	49545
Class:	Boundary Condition Error
CVE:	CVE-2011-3346
Remote:	No
Local:	Yes
Published:	Sep 09 2011 12:00AM
Updated:	Dec 20 2011 07:09PM
Credit:	Paolo Bonzini
Vulnerable:	RedHat Enterprise Linux Virtualization 5 server RedHat Enterprise Linux Desktop Multi OS 5 client RedHat Enterprise Linux 5.0 Red Hat Enterprise Linux Desktop 5 client Red Hat Enterprise Linux 5 Server QEMU QEMU 0.10.6 QEMU QEMU 0.9.1 QEMU QEMU 0.9 QEMU QEMU 0.8.2 QEMU QEMU 0.6.1 QEMU QEMU 0.10 QEMU QEMU 0 Oracle Enterprise Linux 5 Avaya Aura System Platform 6.0.2 Avaya Aura System Platform 6.0.1 Avaya Aura System Platform 6.0 SP3 Avaya Aura System Platform 6.0 SP2 Avaya Aura System Platform 6.0 Avaya Aura Messaging 6.0.1 + Avaya Communication Manager Server DEFINITY Server SI/CS + Avaya Communication Manager Server S8100 + Avaya Communication Manager Server S8300 + Avaya Communication Manager Server S8500 + Avaya Communication Manager Server S8700 Avaya Aura Messaging 6.0 + Avaya Communication Manager Server DEFINITY Server SI/CS + Avaya Communication Manager Server S8100 + Avaya Communication Manager Server S8300 + Avaya Communication Manager Server S8500 + Avaya Communication Manager Server S8700 Avaya Aura Communication Manager 6.0.1 + Avaya Communication Manager Server DEFINITY Server SI/CS + Avaya Communication Manager Server S8100 + Avaya Communication Manager Server S8300 + Avaya Communication Manager Server S8500 + Avaya Communication Manager Server S8700 Avaya Aura Communication Manager 6.0 + Avaya Communication Manager Server DEFINITY Server SI/CS + Avaya Communication Manager Server S8100 + Avaya Communication Manager Server S8300 + Avaya Communication Manager Server S8500 + Avaya Communication Manager Server S8700
Not Vulnerable:

QEMU 'scsi_disk_emulate_command()' Function Local Denial of Service Vulnerability

QEMU is prone to a local denial-of-service vulnerability in the SCSI subsystem.

An attacker can exploit this issue to cause the affected guest operating system to crash, denying service to legitimate users.

QEMU 'scsi_disk_emulate_command()' Function Local Denial of Service Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

QEMU 'scsi_disk_emulate_command()' Function Local Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.

QEMU 'scsi_disk_emulate_command()' Function Local Denial of Service Vulnerability

References:

• QEMU Homepage (QEMU)
  
• (CVE-2011-3346) CVE-2011-3346 qemu: local DoS with SCSI CD-ROM (Paolo Bonzini)
  
• ASA-2011-375 xen security and bug fix update (RHSA-2011-1401) (Avaya)