---------------------------------------------------------------------- Secunia integrated with Microsoft WSUS http://secunia.com/blog/71/ ---------------------------------------------------------------------- TITLE: Hyleos ChemView ActiveX Control Buffer Overflow Vulnerabilities SECUNIA ADVISORY ID: SA38523 VERIFY ADVISORY: http://secunia.com/advisories/38523/ DESCRIPTION: Paul Craig has discovered some vulnerabilities in the Hyleos ChemView ActiveX control, which can be exploited by malicious people to compromise a user's system. The vulnerabilities are caused due to two boundary errors in the HyleosChemView.HLChemView ActiveX control (HyleosChemView.ocx). These can be exploited to cause stack-based buffer overflows by passing strings containing an overly large number of white-space characters to the "SaveasMolFile()" and "ReadMolFile()" methods. Successful exploitation allows execution of arbitrary code. The vulnerabilities are confirmed in HyleosChemView.ocx version 1.9.5.1. Other versions may also be affected. SOLUTION: Set the kill-bit for the affected ActiveX control. PROVIDED AND/OR DISCOVERED BY: Paul Craig, Security-Assessment ORIGINAL ADVISORY: http://www.security-assessment.com/files/advisories/2010-02-11_ChemviewX_Activex.pdf ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/advisories/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------