#VU14484 Stack-based buffer overflow in Yokogawa products - CVE-2018-0651

Vulnerability identifier: #VU14484

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-0651

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TriFellows
Server applications / SCADA systems
STARDOM FCN/FCJ Simulator
Server applications / SCADA systems
STARDOM VDS
Server applications / SCADA systems
iDefine for ProSafe-RS
Server applications / SCADA systems
ASTPLANNER
Server applications / SCADA systems

Vendor: Yokogawa

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists in the license management function due to stack-based buffer overflow when handling malicious input. A remote unauthenticated attacker can supply specially crafted data, trigger memory corruption and cause the license management function crash or execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

TriFellows: before 5.10

STARDOM FCN/FCJ Simulator: All versions

STARDOM VDS: before R8.10

iDefine for ProSafe-RS: before R1.16.4

ASTPLANNER: All versions

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External links
https://ics-cert.us-cert.gov/advisories/ICSA-18-233-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.