CVE-2018-17893

LAquis SCADA LQS File Parsing Untrusted Pointer Dereference Remote Code Execution Vulnerability

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

LAquis SCADA Versions 4.1.0.3870 and prior has an untrusted pointer dereference vulnerability, which may allow remote code execution.

LAquis SCADA en versiones 4.1.0.3870 y anteriores tiene una vulnerabilidad de desreferencia de puntero no fiable que podría permitir la ejecución remota de código.

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 a user-supplied value prior to dereferencing it as a pointer. At attacker can leverage this vulnerability to execute code under the context of the current process.

*Credits: rgod of 9SG Security Team - rgod@9sgsec.com

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-10-02 CVE Reserved
2018-10-16 CVE Published
2024-09-17 CVE Updated
2024-09-26 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference
CWE-822: Untrusted Pointer Dereference

CAPEC

References (4)

URL	Tag	Source
http://www.securityfocus.com/bid/105719	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/151417	Third Party Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-289-01	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://laquisscada.com/instale1.php	2019-10-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Lcds Search vendor "Lcds"		Laquis Scada Search vendor "Lcds" for product "Laquis Scada"				<= 4.1.0.3870 Search vendor "Lcds" for product "Laquis Scada" and version " <= 4.1.0.3870"		-		Affected