InduSoft Web Studio prior 7.0 ActiveX Control ISSymbol.ocx bstrFileName memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in InduSoft Web Studio. This impacts an unknown function of the file ISSymbol.ocx of the component ActiveX Control. The manipulation of the argument bstrFileName leads to memory corruption. This vulnerability is documented as CVE-2011-0340. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in InduSoft Web Studio. This issue affects an unknown code of the file ISSymbol.ocx of the component ActiveX Control. The manipulation of the argument bstrFileName with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple buffer overflows in the ISSymbol ActiveX control in ISSymbol.ocx 61.6.0.0 and 301.1009.2904.0 in the ISSymbol virtual machine, as distributed in Advantech Studio 6.1 SP6 61.6.01.05, InduSoft Web Studio before 7.0+SP1, and InduSoft Thin Client 7.0, allow remote attackers to execute arbitrary code via a long (1) InternationalOrder, (2) InternationalSeparator, or (3) LogFileName property value; or (4) a long bstrFileName argument to the OpenScreen method.

The weakness was released 05/04/2011 by Dmitriy Pletnev (Website). The advisory is shared at vupen.com. The identification of this vulnerability is CVE-2011-0340 since 01/06/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/01/2025).

A public exploit has been developed in Ruby. The exploit is available at securityfocus.com. It is declared as highly functional. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120743 (InduSoft Web Studio ISSymbol.ocx Multiple Remote Code Execution Vulnerabilities).

Upgrading to version 7.0 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12505.

The vulnerability is also documented in the databases at X-Force (67109), Exploit-DB (23500), SecurityFocus (BID 47596†), Secunia (SA42928†) and Vulnerability Center (SBV-32128†). Entries connected to this vulnerability are available at VDB-59584, VDB-59583 and VDB-57344. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 902370
OpenVAS Name: Advantech Studio Multiple Buffer Overflow Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/indusoft_issymbol_internationalseparator
Saint Name: Indusoft Thin Client ISSymbol ActiveX Control InternationalSeparator buffer overflow

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: indusoft_issymbol_internationalseparator.rb
MetaSploit Name: InduSoft Web Studio ISSymbol.ocx InternationalSeparator() Heap Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Studio 7.0
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

01/06/2011 🔍
04/27/2011 +111 days 🔍
04/27/2011 +0 days 🔍
05/04/2011 +7 days 🔍
05/04/2011 +0 days 🔍
06/29/2011 +56 days 🔍
07/06/2011 +7 days 🔍
03/23/2015 +1356 days 🔍
06/01/2025 +3723 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Researcher: Dmitriy Pletnev
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0340 (🔍)
GCVE (CVE): GCVE-0-2011-0340
GCVE (VulDB): GCVE-100-57341
X-Force: 67109
SecurityFocus: 47596 - Advantech Studio ISSymbol ActiveX Control Multiple Buffer Overflow Vulnerabilities
Secunia: 42928 - Advantech ISSymbol ActiveX Control Multiple Buffer Overflow Vulnerabilities, Highly Critical
Vulnerability Center: 32128 - Advantech Studio and InduSoft Web Studio ISSymbol ActiveX Control Remote Code Execution, High
Vupen: ADV-2011-1115

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 06/01/2025 08:54
Changes: 03/23/2015 16:50 (68), 03/25/2017 21:20 (19), 07/03/2024 04:11 (16), 01/19/2025 06:23 (4), 06/01/2025 08:54 (1)
Complete: 🔍
Cache ID: 216::103

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