NCSC-NLCVELIST:CVE-2022-25332CVE-2022-25332 SK_LOAD timing side channel during AES module decryption in Texas Instruments OMAP L138
4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:L/MAC:L/MPR:H/MUI:N/MS:U/MC:H/MI:N/MA:N
6.5 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
9.0%
The AES implementation in the Texas Instruments OMAP L138 (secure variants), present in mask ROM, suffers from a timing side channel which can be exploited by an adversary with non-secure supervisor privileges by managing cache contents and collecting timing information for different ciphertext inputs. Using this side channel, the SK_LOAD secure kernel routine can be used to recover the Customer Encryption Key (CEK).
CNA Affected
[
{
"defaultStatus": "affected",
"vendor": "Texas Instruments",
"product": "OMAP",
"versions": [
{
"version": "L138",
"status": "affected"
}
]
}
]References
Related
4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:L/MAC:L/MPR:H/MUI:N/MS:U/MC:H/MI:N/MA:N
6.5 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
9.0%