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[email protected]NVD:CVE-2023-23300

HistoryMay 23, 2023 - 8:15 p.m.

CVE-2023-23300

2023-05-2320:15:09

CWE-120

[email protected]

web.nvd.nist.gov

toybox api

buffer overflow

parameter validation

malicious application

firmware hijacking

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.004

Percentile

73.9%

JSON

The Toybox.Cryptography.Cipher.initialize API method in CIQ API version 3.0.0 through 4.1.7 does not validate its parameters, which can result in buffer overflows when copying data. A malicious application could call the API method with specially crafted parameters and hijack the execution of the device’s firmware.

Affected configurations

Nvd

Node

garminconnect-iqRange3.0.0–4.1.7

VendorProductVersionCPE
garminconnect-iq*cpe:2.3:a:garmin:connect-iq:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
garmin	connect-iq	*	cpe:2.3:a:garmin:connect-iq::::::::

References

developer.garmin.com/connect-iq/api-docs/Toybox/Cryptography/Cipher.html#initialize-instance_function

github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23300.md

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.004

Percentile

73.9%

JSON

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