PT-2019-18148 · Laquis · Laquis Scada

Mat Powell · Published 2019-03-27 · Updated 2019-04-02 · CVE-2019-6536

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions LAquis SCADA versions prior to 4.3.1.71

Description The issue allows an attacker to execute remote code in the context of the current process by opening a specially crafted ELS file, which results in a write past the end of an allocated buffer.

Recommendations For versions prior to 4.3.1.71, update to version 4.3.1.71 or later to resolve the issue. As a temporary workaround, consider restricting access to ELS files from untrusted sources until the update is applied.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-6536

ZDI-19-307

Affected Products

Laquis Scada

References · 4

• https://zerodayinitiative.com/advisories/ZDI-19-307 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-6536 · Security Note
• https://osv.dev/vulnerability/CVE-2019-6536 · Vendor Advisory
• https://ics-cert.us-cert.gov/advisories/ICSA-19-073-01 · Note