Name: CVE-2016-4439: Improper Restriction of Operations within the Bounds of a Memory Buffer
Creator: Rapid7
Published: 2016-05-20T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2016-4439, CWE-119, CVSS 6.7, EPSS 0.00459

The esp_reg_write function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check command buffer length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or potentially execute arbitrary code on the QEMU host via unspecified vectors.

CVSS Details

CVSS 3.1 Base Score: 6.7
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade qemuUpgrade qemu-kvm	Mar 31, 2017	May 20, 2016
Gentoo Linux	—	Upgrade app-emulation/qemu.	Oct 30, 2017	May 20, 2016
Suse	—	Upgrade xen-tools-domUUpgrade qemu-audio-paUpgrade qemu-x86Upgrade xen-develUpgrade qemu-hw-display-qxlUpgrade kvmUpgrade qemu-chardev-baumUpgrade qemu-ui-cursesUpgrade xenUpgrade qemu-toolsUpgrade xen-kmp-defaultUpgrade qemuUpgrade qemu-sgabiosUpgrade qemu-hw-s390x-virtio-gpu-ccwUpgrade qemu-hw-display-virtio-gpuUpgrade qemu-microvmUpgrade qemu-kvmUpgrade xen-doc-htmlUpgrade qemu-vgabiosUpgrade qemu-hw-display-virtio-gpu-pciUpgrade xen-kmp-traceUpgrade xen-kmp-paeUpgrade qemu-ppcUpgrade qemu-block-sshUpgrade qemu-ui-spice-appUpgrade qemu-ipxeUpgrade qemu-hw-display-virtio-vgaUpgrade qemu-guest-agentUpgrade qemu-audio-spiceUpgrade qemu-block-curlUpgrade qemu-block-rbdUpgrade qemu-s390Upgrade qemu-chardev-spiceUpgrade qemu-ui-spice-coreUpgrade xen-libsUpgrade xen-libs-32bitUpgrade qemu-s390xUpgrade qemu-ui-gtkUpgrade xen-doc-pdfUpgrade qemu-audio-alsaUpgrade qemu-seabiosUpgrade qemu-block-iscsiUpgrade qemu-langUpgrade qemu-armUpgrade qemu-ui-openglUpgrade qemu-ksmUpgrade qemu-skibootUpgrade qemu-audio-ossUpgrade qemu-hw-usb-redirectUpgrade xen-toolsUpgrade xen-tools-xendomains-wait-disk	Jun 13, 2016	May 20, 2016
Ubuntu	—	Upgrade qemu-system-sparcUpgrade qemu-systemUpgrade qemu-system-armUpgrade qemu-system-x86Upgrade qemu-system-ppcUpgrade qemu-system-aarch64Upgrade qemu-system-mipsUpgrade qemu-system-miscUpgrade qemu-kvmUpgrade qemu-system-s390x	Aug 6, 2016	May 20, 2016

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence