Advisory Details

January 19th, 2019

LAquis SCADA LQS File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-19-060
ZDI-CAN-6670

CVE ID CVE-2018-18994
CVSS SCORE 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS LAquis SCADA
AFFECTED PRODUCTS Software
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of LQS files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the process.

ADDITIONAL DETAILS LAquis SCADA has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-19-015-01
DISCLOSURE TIMELINE
  • 2018-08-14 - Vulnerability reported to vendor
  • 2019-01-19 - Coordinated public release of advisory
  • 2019-01-19 - Advisory Updated
CREDIT Esteban Ruiz (mr_me) of Source Incite
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