Advisory Details

October 16th, 2018

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

ZDI-18-1247
ZDI-CAN-6278

CVE ID CVE-2018-17895
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 on vulnerable installations of LAquis SCADA Software. 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 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 object. At attacker can leverage this vulnerability to execute code under the context of the current 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-18-289-01
DISCLOSURE TIMELINE
  • 2018-05-24 - Vulnerability reported to vendor
  • 2018-10-16 - Coordinated public release of advisory
  • 2018-10-16 - Advisory Updated
CREDIT rgod of 9SG Security Team - rgod@9sgsec.com
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