CVE-2022-2652

CVSS V2 None CVSS V3 Medium 6

Description

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).

Overview

CVE ID
CVE-2022-2652

Assigner
security@huntr.dev

Vulnerability Status
Analyzed

Published Version
2022-08-04T10:15:07

Last Modified Date
2022-08-10T13:40:00

Weakness Enumerations

CWE	URL
CWE-134	http://cwe.mitre.org/data/definitions/134.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:v4l2loopback_project:v4l2loopback::::::::	1	OR		0.12.6

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
HIGH

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
6

Base Severity
MEDIUM

Exploitability Score
0.8

Impact Score
5.2

References

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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-2652
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2652

History

Created	Old Value	New Value	Data Type	Notes
2022-08-04 11:00:07				Added to TrackCVE