CVE-2011-0340

Home/CVE/Multiple buffer overflows in the ISSymbol ActiveX control in ISSymbol.ocx 61.6.0.0 and 301.1009.2904.0 in the ISSymbol v

CVE

Multiple buffer overflows in the ISSymbol ActiveX control in ISSymbol.ocx 61.6.0.0 and 301.1009.2904.0 in the ISSymbol v

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.

HIGH · CVSS 9.3 EPSS 0.44861

Act now

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 2% of all CVEs by exploitation likelihood
Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

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Affected Products & Versions

advantech studioall versions
indusoft thin clientall versions
indusoft web studio<= 7.0
indusoft web studioall versions

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Public Exploits & PoCs

remoteInduSoft Web Studio - 'ISSymbol.ocx InternationalSeparator()' Heap Overflow (Metasploit)verified

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Scoring & Timeline

9.3

HIGH · CVSS v2 (legacy) · PSIRT-CNA@flexerasoftware.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Published to NVD04 May 2011 · 10:55 PM

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Vendor Advisories

cisa-csafcisa-csaf-csaf_files-OT-white-2012-icsa-12-137-02

cisa-csafcisa-csaf-csaf_files-OT-white-2012-icsa-12-249-03

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://ics-cert.us-cert.gov/advisories/ICSA-12-249-03

http://secunia.com/advisories/42928Vendor Advisory

http://secunia.com/advisories/43116Vendor Advisory

http://secunia.com/secunia_research/2011-36/Vendor Advisory

http://secunia.com/secunia_research/2011-37/Vendor Advisory

http://www.advantechdirect.com/eMarketingPrograms/AStudio_Patch/AStudio7.0_Patch_Final.htm

Show all 11 references

http://www.indusoft.com/hotfixes/hotfixes.php

http://www.securityfocus.com/bid/47596

http://www.us-cert.gov/control_systems/pdf/ICSA-12-137-02.pdf

http://www.vupen.com/english/advisories/2011/1115Vendor Advisory

http://www.vupen.com/english/advisories/2011/1116Vendor Advisory

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