CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation
none
Automatable
no
Technical Impact
total
Buffer overflow in “rcar_dev_init” due to using due to using untrusted data (rcar_image_number) as a loop counter before verifying it against RCAR_MAX_BL3X_IMAGE. This could lead to a full bypass of secure boot.
[
{
"cpes": [
"cpe:2.3:a:renesas:rcar_gen3_v2.5:*:*:*:*:*:*:*:*"
],
"vendor": "renesas",
"product": "rcar_gen3_v2.5",
"versions": [
{
"status": "affected",
"version": "c2f286820471ed276c57e603762bd831873e5a17",
"versionType": "custom",
"lessThanOrEqual": "c9fb3558410032d2660c7f3b7d4b87dec09fe2f2"
}
],
"defaultStatus": "unknown"
}
]
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation
none
Automatable
no
Technical Impact
total