CVE-2017-17381

Current Description

The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.

Basic Data

PublishedDecember 07, 2017
Last ModifiedJune 01, 2018
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-369
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS 2 - Access VectorLOCAL
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score2.1
SeverityLOW
Exploitability Score3.9
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

CVSS 3 - Version3.0
CVSS 3 - Vector StringCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 3 - Attack VectorLOCAL
CVSS 3 - Attack ComplexityLOW
CVSS 3 - Privileges RequiredLOW
CVSS 3 - User InteractionNONE
CVSS 3 - ScopeCHANGED
CVSS 3 - Confidentiality ImpactNONE
CVSS 3 - Integrity ImpactNONE
CVSS 3 - Availability ImpactHIGH
CVSS 3 - Base Score6.5
CVSS 3 - Base SeverityMEDIUM
Exploitability Score2.0
Base SeverityMEDIUM

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationQemuQemu********

Vulnerable Software List

VendorProductVersions
Qemu Qemu *

References

NameSourceURLTags
[oss-security] 20171205 CVE-2017-17381 Qemu: virtio: divide by zero exception while updating ringshttp://www.openwall.com/lists/oss-security/2017/12/05/2MLISTMailing List
102059http://www.securityfocus.com/bid/102059BIDThird Party Advisory VDB Entry
[qemu-devel] 20171201 [PULL 6/7] virtio: check VirtQueue Vring object is sethttps://lists.gnu.org/archive/html/qemu-devel/2017-12/msg00166.htmlMLISTIssue Tracking
USN-3575-1https://usn.ubuntu.com/3575-1/UBUNTU
DSA-4213https://www.debian.org/security/2018/dsa-4213DEBIAN