Schneider Electric Opc Factory Server Tlxcdstofs up to 3.35 ActiveX Control memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Schneider Electric Opc Factory Server Tlxcdstofs up to 3.35. The affected element is an unknown function of the component ActiveX Control. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2014-0789. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Schneider Electric Opc Factory Server Tlxcdstofs up to 3.35. Affected is an unknown function of the component ActiveX Control. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

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.

The weakness was shared 04/04/2014 (Website). The advisory is shared for download at ics-cert.us-cert.gov. This vulnerability is traded as CVE-2014-0789 since 01/02/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at SecurityFocus (BID 66643†) and Vulnerability Center (SBV-45040†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• SCADA Software

Vendor

• Schneider Electric

Name

• Opc Factory Server Tlxcdstofs

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16
• 3.17
• 3.18
• 3.19
• 3.20
• 3.21
• 3.22
• 3.23
• 3.24
• 3.25
• 3.26
• 3.27
• 3.28
• 3.29
• 3.30
• 3.31
• 3.32
• 3.33
• 3.34
• 3.35

License

• commercial

Website

• Vendor: https://www.schneider-electric.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2014 🔍
03/25/2014 +82 days 🔍
03/25/2014 +0 days 🔍
04/04/2014 +10 days 🔍
04/04/2014 +0 days 🔍
06/18/2014 +75 days 🔍
03/24/2015 +279 days 🔍
09/25/2025 +3838 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: ics-cert.us-cert.gov
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-0789 (🔍)
GCVE (CVE): GCVE-0-2014-0789
GCVE (VulDB): GCVE-100-66864
SecurityFocus: 66643 - Multiple Schneider Electric Products Stack Buffer Overflow Vulnerability
Vulnerability Center: 45040 - Schneider Electric OPC Factory Server Remote DoS Vulnerability, High

Entryinfo

Created: 03/24/2015 15:54
Updated: 09/25/2025 20:25
Changes: 03/24/2015 15:54 (53), 05/31/2017 08:50 (4), 09/25/2025 20:25 (25)
Complete: 🔍
Cache ID: 216::103

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Discussion

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