CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
SSVC
Exploitation
none
Automatable
no
Technical Impact
total
Incorrect Calculation vulnerability in Renesas arm-trusted-firmware allows Local Execution of Code.
When checking whether a new image invades/overlaps with a previously loaded image the code neglects to consider a few cases. that could An attacker to bypass memory range restriction and overwrite an already loaded image partly or completely, which could result in code execution and bypass of secure boot.
[
{
"cpes": [
"cpe:2.3:o:renesas:rcar_gen3_firmware:v2.5:*:*:*:*:*:*:*"
],
"vendor": "renesas",
"product": "rcar_gen3_firmware",
"versions": [
{
"status": "affected",
"version": "v2.5"
}
],
"defaultStatus": "unknown"
}
]
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
SSVC
Exploitation
none
Automatable
no
Technical Impact
total