Zillya Total Security 3.0.2367.0 Local Privilege Escalation via Quarantine Module

Zillya Total Security 3.0.2367.0 contains a privilege escalation vulnerability that allows low-privileged users to copy files to unauthorized system locations using the quarantine module. Attackers can leverage symbolic link techniques to restore quarantined files to restricted directories, potentially enabling system-level access through techniques like DLL hijacking.

In Zillya! Antivirus 3.0.2230.0, the driver file (zef.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C402424.

In Zillya! Antivirus 3.0.2230.0, the driver file (zef.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C40242C.

In Zillya! Antivirus 3.0.2230.0, the driver file (zef.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C402414.