Out-of-bounds write in LAquis SCADA - CVE-2019-6536

 

Out-of-bounds write in LAquis SCADA - CVE-2019-6536

Published: August 22, 2019


Vulnerability identifier: #VU20360
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-6536
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing ELS files. A remote attacker can create a specially crafted ELS file, trick the victim into opening it using the affected software, trigger out-of-bounds and execute arbitrary code on the target system.


Affected software

LAquis SCADA

How to mitigate CVE-2019-6536

Install updates from vendor's website.

LAquis SCADA - update to 4.3.1.71

External References

Related Security Bulletins