CVE-2023-40090 — MEDIUM (6.5)

Vulnerability Description

In BTM_BleVerifySignature of btm_ble.cc, there is a possible way to bypass signature validation due to side channel information disclosure. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Android	11.0

Related Weaknesses (CWE)

CWE-203

References

https://android.googlesource.com/platform/packages/modules/Bluetooth/+/495417bd0Mailing ListPatch
https://source.android.com/security/bulletin/2023-12-01PatchThird Party Advisory
https://android.googlesource.com/platform/packages/modules/Bluetooth/+/495417bd0Mailing ListPatch
https://source.android.com/security/bulletin/2023-12-01PatchThird Party Advisory

FAQ

What is CVE-2023-40090?

CVE-2023-40090 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In BTM_BleVerifySignature of btm_ble.cc, there is a possible way to bypass signature validation due to side channel information disclosure. This could lead to remote escalation of privilege with no ad...

How severe is CVE-2023-40090?

CVE-2023-40090 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-40090?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.