CVE-2023-21268 Information

Description

In update of MmsProvider.java there is a possible way to change directory permissions due to a path traversal error. This could lead to local denial of service of SIM recognition with no additional execution privileges needed. User interaction is not needed for exploitation.

Reference

https://android.googlesource.com/platform/packages/providers/TelephonyProvider/+/ca4c9a19635119d95900793e7a41b820cd1d94d9 https://source.android.com/security/bulletin/2023-08-01