Unscored CVE-2023-40090 EUVD-2023-44697GHSA-x74m-v58j-5gpr

In BTM_BleVerifySignature of btm_ble.cc, there is a possible way to bypass signature validation due to side channel information disclosure.…

Published Dec 4, 2023 · Updated Aug 2, 2024 · Assigned by google_android

Vendor: Google Product: Android Platform: Android

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.

Affected products

Vendor	Product	Affected	Fixed
Google	Android	14, 13, 12L, 12, 11	—

Advisories 2

WID-SEC-2023-3057 Google Android: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 6, 2023
WID-SEC-2023-3056 Samsung Android: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 4, 2023

References

https://android.googlesource.com/platform/packages/modules/Bluetooth/+/495417bd068c35de0729d9a332639bd0699153ff
https://source.android.com/security/bulletin/2023-12-01