SB2017082301 - Privilege escalation in Automated Logic Corporation WebCTRL, i-Vu, SiteScan

Description

This security bulletin contains information about 3 vulnerabilities.

1) Privilege escalation (CVE-ID: CVE-2017-9644)

CWE-ID: CWE-428 - Unquoted Search Path or Element

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U:Clear

The vulnerability allows a local non-privileged attacker to gain elevated privileges on the target system.

The weakness exists due to unquoted search path or element. A local attacker can change files in the installation directory and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

2) Path traversal (CVE-ID: CVE-2017-9640)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U:Amber

The vulnerability allows a remote authenticated attacker to gain elevated privileges on the target system.

The weakness exists due to path traversal. A remote attacker can overwrite arbitrary files and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

3) Privilege escalation (CVE-ID: CVE-2017-9650)

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U:Amber

The vulnerability allows a remote authenticated attacker to gain elevated privileges on the target system.

The weakness exists due to unrestricted upload of file with dangerous type. A remote attacker can upload malicious files and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.

References

• https://ics-cert.us-cert.gov/advisories/ICSA-17-234-01