CVE-2022-2652 - Vulnerability Details - OpenCVE

Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00053.

Key SSVC decision points have not yet been added.

Vendors	Products
V4l2loopback Project	V4l2loopback

Configuration 1 [-]

cpe:2.3:o:v4l2loopback_project:v4l2loopback:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2022-34898	Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd
https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5

History

No history.

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2022-08-04T09:35:37

Updated: 2024-08-03T00:46:03.489Z

Reserved: 2022-08-04T00:00:00

Link: CVE-2022-2652

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-08-04T10:15:07.990

Modified: 2024-11-21T07:01:26.800

Link: CVE-2022-2652

Redhat

No data.

OpenCVE Enrichment

No data.

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