CVE-2023-40090

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Third-Party Advisory android.com
Affected: Google Android
Published at:
Updated at:

References

Link Tags
https://android.googlesource.com/platform/packages/modules/Bluetooth/+/495417bd068c35de0729d9a332639bd0699153ff patch mailing list
https://source.android.com/security/bulletin/2023-12-01 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2023-40090?
CVE-2023-40090 has been scored as a medium severity vulnerability.
How to fix CVE-2023-40090?
To fix CVE-2023-40090, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-40090 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40090 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40090?
CVE-2023-40090 affects Google Android.
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