-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ZDI-12-155 : InduSoft Thin Client ISSymbol InternationalOrder Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-12-155 August 22, 2012 - -- CVE ID: CVE-2011-0340 - -- CVSS: 7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P - -- Affected Vendors: Indusoft - -- Affected Products: Indusoft WebStudio - -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 12505. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com - -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Indusoft Thin Client. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within ISSymbol.ocx ActiveX component. When an overly large string is passed as the 'InternationalOrder' parameter, a heap overflow occurs. This vulnerability can be leveraged to execute code under the context of the user running the browser. - -- Vendor Response: Indusoft has issued an update to correct this vulnerability. More details can be found at: http://www.indusoft.com/hotfixes/hotfixes.php - -- Disclosure Timeline: 2011-10-28 - Vulnerability reported to vendor 2012-08-22 - Coordinated public release of advisory - -- Credit: This vulnerability was discovered by: * Alexander Gavrun - -- About the Zero Day Initiative (ZDI): Established by TippingPoint, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. TippingPoint does not re-sell the vulnerability details or any exploit code. Instead, upon notifying the affected product vendor, TippingPoint provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, TippingPoint provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product. Our vulnerability disclosure policy is available online at: http://www.zerodayinitiative.com/advisories/disclosure_policy/ Follow the ZDI on Twitter: http://twitter.com/thezdi -----BEGIN PGP SIGNATURE----- Version: PGP Desktop 10.2.0 (Build 1950) Charset: utf-8 wsBVAwUBUDUFHFVtgMGTo1scAQJ1Twf8C0MRiovFv7JVpAgg+lOYT3HW7MYdUKAx /I+4hvkGyeKKCCkvIOkx0y7eSdwp4paxVZAd0WYTfsG0K1h+bBngt6m+3Nicx0Iq YuqyOluJTW4ymXUSwvX8MZ39709DQXEl5yp9JvIX+Dc4WY7TKauGYKIfbb/VRMQq VYgQPhnlv8laGORlVREpu+yrOPdYLbQSucewpaLXd4b8uw1+Kmurjepiil5vxqPD G3fD23i1jGrbg6aX0AlvECo1M12alERft7wjtI21D7VP7G3uBYwiAJ8jxutavMQY Yf5K6rzdbx+96MuFco7aYB49GBQDpMYvWeWur3YEv1GqR7bSotpO1Q== =Yxrq -----END PGP SIGNATURE-----