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CVE-2021-32847

HIGH

7.1

Description

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed in commit cf60095a4d8c3cb2e182a14415467afd356e982f.

CVE Details

CVSS v3.1 Score7.1

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/20/2023

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

mobyproject:hyperkit

Weaknesses (CWE)

CWE-125CWE-125

References

https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316(security-advisories@github.com)

https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f(security-advisories@github.com)

https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/(security-advisories@github.com)

https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f(af854a3a-2127-422b-91ae-364da2661108)

https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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