CVE-2023-21243
MEDIUMAndroid - Local Denial of Service via PasspointConfiguration Buffer Overflow
Title source: llmDescription
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.
References (2)
Core 2
Core References
Patch, Vendor Advisory
https://source.android.com/security/bulletin/2023-07-01
Scores
CVSS v3
5.5
EPSS
0.0011
EPSS Percentile
1.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (4)
google/android
11.0
google/android
12.0
google/android
12.1
google/android
13.0
Published
Jul 13, 2023
Tracked Since
Feb 18, 2026