#VU17001 Improper input validation in LAquis SCADA - CVE-2018-18988

Vulnerability identifier: #VU17001

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-18988

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LAquis SCADA
Server applications / SCADA systems

Vendor: Leão Consultoria e Desenvolvimento de Sistemas

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to an error when processing malicious input. A remote attacker can trick the victim into opening a specially crafted report format file that may allow to execute script code execution, trigger data exfiltration, or cause a system crash.

Mitigation
Update to version 4.1.0.4150.

Vulnerable software versions

LAquis SCADA: 4.1.0.3870

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External links
https://ics-cert.us-cert.gov/advisories/ICSA-19-015-01

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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.