CVE-2023-21243 — MEDIUM (5.5)

Vulnerability Description

In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate the size of a config file with no limits due to a buffer overflow. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0

Related Weaknesses (CWE)

CWE-120

References

https://android.googlesource.com/platform/packages/modules/Wifi/+/5b49b8711efaadPatch
https://source.android.com/security/bulletin/2023-07-01PatchVendor Advisory
https://android.googlesource.com/platform/packages/modules/Wifi/+/5b49b8711efaadPatch
https://source.android.com/security/bulletin/2023-07-01PatchVendor Advisory

FAQ

What is CVE-2023-21243?

CVE-2023-21243 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate the size of a config file with no limits due to a buffer overflow. This could lead to local denial of ser...

How severe is CVE-2023-21243?

CVE-2023-21243 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-21243?

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