An attacker with physical access to a PAX Point Of Sale device with ProlinOS through 2.4.161.8859R can boot it in management mode, enable the XCB service, and then list, read, create, and overwrite files with MAINAPP permissions.
During installation, installed file permissions are set to allow anyone to modify those files.
Link | Tags |
---|---|
https://git.lsd.cat/g/pax-pwn | third party advisory |