QEMU 'net/net.c' Denial of Service Vulnerability

Bugtraq ID:	105584
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2018-17963
Remote:	Yes
Local:	No
Published:	May 21 2018 12:00AM
Updated:	May 21 2018 12:00AM
Credit:	Daniel Shapira
Vulnerable:	Redhat OpenStack Platform 9.0 Redhat OpenStack Platform 8.0 (Liberty) Redhat OpenStack Platform 8.0 Redhat OpenStack Platform 13.0 (Queens) Redhat OpenStack Platform 12 Redhat OpenStack Platform 11 Redhat OpenStack Platform 10 Redhat Enterprise Linux 7 Redhat Enterprise Linux 6 + Trustix Secure Enterprise Linux 2.0 + Trustix Secure Linux 2.2 + Trustix Secure Linux 2.1 + Trustix Secure Linux 2.0 QEMU QEMU 0
Not Vulnerable:

QEMU 'net/net.c' Denial of Service Vulnerability

QEMU is prone to a denial-of-service vulnerability.

Attackers can exploit this issue to crash the QEMU process, resulting in a denial-of-service condition.

QEMU 'net/net.c' 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 'net/net.c' Denial of Service Vulnerability

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

QEMU 'net/net.c' Denial of Service Vulnerability

References:

• [Qemu-devel] [PULL 24/25] net: ignore packet size greater than INT_MAX (QEMU)
  
• Bug 1636777 - (CVE-2018-17963) CVE-2018-17963 QEMU: net: ignore packets with lar (Red Hat Bugzilla)
  
• CVE-2018-17963 (Red Hat Bugzilla)
  
• QEMU Homepage (QEMU)