high
8.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2016-3710: Buffer Overflow

First published: Thu Apr 28 2016(Updated: )

The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Debian=8.0
HP Helion OpenStack=2.0.0
HP Helion OpenStack=2.1.0
HP Helion OpenStack=2.1.2
HP Helion OpenStack=2.1.4
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=15.10
Ubuntu=16.04
QEMU<=2.5.1
QEMU=2.6.0-rc0
QEMU=2.6.0-rc1
QEMU=2.6.0-rc2
QEMU=2.6.0-rc3
QEMU=2.6.0-rc4
Oracle VM Server=3.2
Oracle VM Server=3.3
Oracle VM Server=3.4
Oracle Linux=5
Oracle Linux=6
Oracle Linux=7
XenServer<=7.0
Red Hat OpenStack for IBM Power=5.0
Red Hat OpenStack for IBM Power=6.0
Red Hat OpenStack for IBM Power=7.0
Red Hat OpenStack for IBM Power=8
Red Hat Enterprise Virtualization=3.0
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Server=7.2
Red Hat Enterprise Linux Server=7.3
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.2
Red Hat Enterprise Linux Server=7.3
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.5
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.7
Red Hat Enterprise Linux Server=7.2
Red Hat Enterprise Linux Server=7.3
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.7
Red Hat Enterprise Linux Workstation=6.0
Red Hat Enterprise Linux Workstation=7.0

Remedy

https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg01197.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-3710?

    CVE-2016-3710 has been classified with a moderate severity rating due to its potential to allow arbitrary code execution on the host system.

  • How do I fix CVE-2016-3710?

    To remediate CVE-2016-3710, update QEMU to the latest version that addresses this vulnerability.

  • What software is affected by CVE-2016-3710?

    CVE-2016-3710 affects several software platforms including QEMU versions up to 2.6.0-rc4 and various distributions like Debian 8.0, Ubuntu 12.04, and HP Helion OpenStack.

  • Can CVE-2016-3710 be exploited remotely?

    No, CVE-2016-3710 requires local access to the vulnerable guest operating system to exploit the vulnerability.

  • What impact does CVE-2016-3710 have on system security?

    CVE-2016-3710 allows local guest OS administrators to execute arbitrary code on the host, which compromises isolation between the host and guest environments.

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