Vulnerability identifier: #VU11612

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5463

CWE-ID: CWE-703

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
LAquis SCADA
Server applications / SCADA systems

Vendor: Leão Consultoria e Desenvolvimento de Sistemas

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to improper check or handling of exceptional conditions. A local attacker can trigger structured exception handler overflow and execute arbitrary code with root privileges.

Successful exploitation of the vulnerability may result in system compromise

Mitigation
Update to version 4.1.0.3774.

Vulnerable software versions

LAquis SCADA: 4.1.0.3391

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-095-03

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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