Malformed ATAES132A responses with an oversized length field overflow a 52-byte stack buffer in the Zephyr crypto driver, allowing a compromised device or bus attacker to corrupt kernel memory and potentially hijack execution.
Attack Parameters
Attack Vector
Physical
Requires physical access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 4
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Zephyrproject Zephyr
cpe:2.3:o:zephyrproject:zephyr:4.3.0:-:*:*:*:*:*:*
|
— | — |
|
Zephyrproject Zephyr
cpe:2.3:o:zephyrproject:zephyr:4.3.0:rc1:*:*:*:*:*:*
|
— | — |
|
Zephyrproject Zephyr
cpe:2.3:o:zephyrproject:zephyr:4.3.0:rc2:*:*:*:*:*:*
|
— | — |
|
Zephyrproject Zephyr
cpe:2.3:o:zephyrproject:zephyr:4.3.0:rc3:*:*:*:*:*:*
|
— | — |