Advisory Details

June 30th, 2022

Advantech iView NetworkServlet backupDatabase backup_filename Command Injection Remote Code Execution Vulnerability

CVE ID	CVE-2022-2143
CVSS SCORE	9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Advantech
AFFECTED PRODUCTS	iView
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech iView. Authentication is not required to exploit this vulnerability. The specific flaw exists within the NetworkServlet endpoint, which listens on TCP port 8080 by default. When parsing the backup_filename element of the backupDatabase action, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
ADDITIONAL DETAILS	Advantech has issued an update to correct this vulnerability. More details can be found at: https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-03
DISCLOSURE TIMELINE	2022-02-25 - Vulnerability reported to vendor 2022-06-30 - Coordinated public release of advisory
CREDIT	Andrea Micalizzi aka rgod (@rgod777)

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