CVE-2020-28045: Improper Verification of Cryptographic Signature

An unsigned-library issue was discovered in ProlinOS through 2.4.161.8859R. This OS requires installed applications and all system binaries to be signed either by the manufacturer or by the Point Of Sale application developer and distributor. The signature is a 2048-byte RSA signature verified in...

CVE-2020-28044: Incorrect Default Permissions

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...

CVE-2020-28046: Improper Privilege Management

An issue was discovered in ProlinOS through 2.4.161.8859R. An attacker with local code execution privileges as a normal user MAINAPP can escalate to root privileges by exploiting the setuid installation of the xtables-multi binary and leveraging the ip6tables --modprobe switch...