CVE-2014-0789

Schneider Electric OPC Factory Server Buffer Overflow

Published Apr 4, 2014 CVSS 2.0 · 5 Medium EPSS 2.5% KEV · Not listed
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.

Remediation

Vendor Solution

Schneider Electric has developed a patch to resolve this issue. In order to patch the installation in the field, install OFS V3.5SP1, available on Schneider Electric’s web site at the following URL:  http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2014-0820 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.
History
Type Values Removed Values Added
Title Schneider Electric OPC Factory Server Buffer Overflow
Weaknesses CWE-122
References
Metrics cvssV2_0

{'score': 7.8, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:C'}

cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P'}