GoogleOSV:ASB-A-258834033BR/EDR link key downgrades
8.8 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.0005 Low
EPSS
Percentile
17.9%
In btm_sec_encrypt_change of btm_sec.cc, there is a possible way to downgrade the link key type due to improperly used crypto. This could lead to paired device escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
| CPE | Name | Operator | Version |
|---|---|---|---|
| platform/system/bt | eq | 12 | |
| platform/system/bt | eq | 12L | |
| platform/system/bt | eq | 11 |
Related
8.8 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.0005 Low
EPSS
Percentile
17.9%