CVE-2014-0774

Schneider Electric OFS Stack Buffer Overflow

Published Feb 28, 2014 CVSS 2.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
Stack-based buffer overflow in the C++ sample client in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 - 3.35, TLXCDSTOFS33 - 3.35, TLXCDLUOFS33 - 3.35, TLXCDLTOFS33 - 3.35, and TLXCDLFOFS33 - 3.35 allows local users to gain privileges via vectors involving a malformed configuration file.

Analysis

No analysis available yet

Remediation

Vendor Solution

Schneider Electric has a product upgrade as well as a workaround solution that mitigates this vulnerability.  Schneider Electric Security Notification SEVD 2014-031-01,”Vulnerability Disclosure – OPC Factory Server V3.35,” http://www.downloads.schneider-electric.com/?p_Conf=&p_localesFilter=&p_docTypeFilter=155589... http://www.downloads.schneider-electric.com/     The security announcements affecting the OPC Factory Server are available here: http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page Schneider Electric recommends customers to upgrade to OFS v3.4 or later (Version v3.5 is currently available). Customers that cannot upgrade are directed to remove the demonstration client from affected computers, provided it is not required for operations.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2014-0805 Stack-based buffer overflow in the C++ sample client in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 - 3.35, TLXCDSTOFS33 - 3.35, TLXCDLUOFS33 - 3.35, TLXCDLTOFS33 - 3.35, and TLXCDLFOFS33 - 3.35 allows local users to gain privileges via vectors involving a malformed configuration file.
History
Type Values Removed Values Added
Title Schneider Electric OFS Stack Buffer Overflow
Weaknesses CWE-121
References
Metrics cvssV2_0

{'score': 6.9, 'vector': 'AV:L/AC:M/Au:N/C:C/I:C/A:C'}

cvssV2_0

{'score': 6.8, 'vector': 'AV:L/AC:L/Au:S/C:C/I:C/A:C'}

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer

  • CWE-121

    Stack-based Buffer Overflow

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Sep 24, 2025, 9:10 PM
Reserved
Jan 2, 2014, 12:00 AM
Status
Modified
Published
Feb 28, 2014, 6:18 AM
Modified
Jun 17, 2026, 12:03 AM