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CVE-2017-5931

Description

From CVE.org

Integer overflow in hw/virtio/virtio-crypto.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code on the host via a crafted virtio-crypto request, which triggers a heap-based buffer overflow.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 Score Breakdown

Red HatNVDcve.org
Base Score48.8N/A
Attack VectorAdjacent NetworkLocalN/A
Attack ComplexityHighLowN/A
Privileges RequiredHighLowN/A
User InteractionNoneNoneN/A
ScopeChangedChangedN/A
ConfidentialityNoneHighN/A
Integrity ImpactLowHighN/A
Availability ImpactLowHighN/A

Vector

Red Hat: CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

NVD: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Acknowledgements

Red Hat would like to thank Li Qiang (360.cn Inc.) for reporting this issue.

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