QEMU CVE-2018-5683 Denial of Service Vulnerability

Bugtraq ID:	102518
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2018-5683
Remote:	Yes
Local:	No
Published:	Dec 25 2017 12:00AM
Updated:	May 02 2018 12:00PM
Credit:	Jiang Xin of Huawei.
Vulnerable:	Redhat Virtualization 4 Redhat OpenStack Platform 9.0 Redhat OpenStack Platform 8.0 (Liberty) Redhat OpenStack Platform 12 Redhat OpenStack Platform 11 Redhat OpenStack Platform 10 Redhat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 Redhat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 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 Redhat Enterprise Linux 5 QEMU QEMU 0 Oracle Linux 7.0 openSUSE Leap 42.3
Not Vulnerable:

QEMU CVE-2018-5683 Denial of Service Vulnerability

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

Attackers can exploit this issue to crash the Qemu process, denying service to legitimate users.

QEMU CVE-2018-5683 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 CVE-2018-5683 Denial of Service Vulnerability

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

QEMU CVE-2018-5683 Denial of Service Vulnerability

References:

• [Qemu-devel] [PATCH v3] vga: check the validation of memory addr when dr (QEMU)
  
• CVE-2018-5683 (Red Hat Bugzilla)
  
• CVE-2018-5683 Qemu: Out-of-bounds read in vga_draw_text routine (Qemu)
  
• QEMU Homepage (QEMU)
  
• Bug 1530356 - (CVE-2018-5683) CVE-2018-5683 Qemu: Out-of-bounds read in vga_draw (Red Hat Bugzilla)
  
• Oracle Linux Bulletin - April 2018 (Oracle)