CVE-2023-40100 — HIGH (7.8)

Vulnerability Description

In discovery_thread of Dns64Configuration.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0

Related Weaknesses (CWE)

CWE-416

References

https://android.googlesource.com/platform/packages/modules/DnsResolver/+/8e1561fMailing ListPatch
https://source.android.com/security/bulletin/2023-11-01PatchVendor Advisory
https://android.googlesource.com/platform/packages/modules/DnsResolver/+/8e1561fMailing ListPatch
https://source.android.com/security/bulletin/2023-11-01PatchVendor Advisory

FAQ

What is CVE-2023-40100?

CVE-2023-40100 is a vulnerability with a CVSS score of 7.8 (HIGH). In discovery_thread of Dns64Configuration.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges n...

How severe is CVE-2023-40100?

CVE-2023-40100 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-40100?

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