CVE-2023-21243

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory android.com
Affected: Google Android
Published at:
Updated at:

References

Link Tags
https://android.googlesource.com/platform/packages/modules/Wifi/+/5b49b8711efaadadf5052ba85288860c2d7ca7a6 patch
https://source.android.com/security/bulletin/2023-07-01 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-21243?
CVE-2023-21243 has been scored as a medium severity vulnerability.
How to fix CVE-2023-21243?
To fix CVE-2023-21243, 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-2023-21243 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-21243 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-2023-21243?
CVE-2023-21243 affects Google Android.
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