Schneider Electric OPC Factory Server (OFS) <= 3.5 Denial of Service

high Nessus Network Monitor Plugin ID 720160

Synopsis

Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider Electric OPC Factory Server (OFS) allow remote attackers to cause a denial of service via long arguments to unspecified functions.

Description

Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 3.5 and earlier, TLXCDSTOFS33 3.5 and earlier, TLXCDLUOFS33 3.5 and earlier, TLXCDLTOFS33 3.5 and earlier, and TLXCDLFOFS33 3.5 and earlier allow remote attackers to cause a denial of service via long arguments to unspecified functions.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

http://ics-cert.us-cert.gov/advisories/ICSA-14-093-01,https://ics-cert.us-cert.gov/advisories/ICSA-14-093-01,http://www.schneider-electric.com/corporate/en/support/cybersecurity/viewer-news.page?c_filepath=/templatedata/Content/News/data/en/local/cybersecurity/general_information/2014/03/20140325_vulnerability_disclosure_opc_factory_server.xml

Plugin Details

Severity: High

ID: 720160

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

Patch Publication Date: 4/3/2014

Vulnerability Publication Date: 4/3/2014

Reference Information

CVE: CVE-2014-0789