---------------------------------------------------------------------- The Secunia CSI 5.0 Beta - now available for testing Find out more, take a free test drive, and share your opinion with us: http://secunia.com/blog/242 ---------------------------------------------------------------------- TITLE: BroadWin WebAccess Client Bwocxrun ActiveX Control Multiple Vulnerabilities SECUNIA ADVISORY ID: SA45820 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/45820/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=45820 RELEASE DATE: 2011-09-02 DISCUSS ADVISORY: http://secunia.com/advisories/45820/#comments AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s) http://secunia.com/advisories/45820/ ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS https://ca.secunia.com/?page=viewadvisory&vuln_id=45820 ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/ DESCRIPTION: Luigi Auriemma has discovered multiple vulnerabilities in BroadWin WebAccess Client, which can be exploited by malicious people to compromise a user's system. 1) A format string error in the "OcxSpool()" method (bwocxrun.ocx) can be exploited to corrupt memory via a specially crafted string. 2) An error in the "WriteTextData()" method (bwocxrun.ocx) when handling an open file descriptor can be exploited to corrupt memory by passing an arbitrary integer value in the "fpt" parameter. 3) An error in the "CloseFile()" method (bwocxrun.ocx) when handling an open file descriptor can be exploited to corrupt memory by passing an arbitrary integer value in the "fpt" parameter. Successful exploitation of these vulnerabilities may allow execution of arbitrary code. The vulnerabilities are confirmed in bwocxrun.ocx version 1.0.0.10 included in WebAccess Client version 7.0. Other versions may also be affected. SOLUTION: Set the kill-bit for the affected ActiveX control. PROVIDED AND/OR DISCOVERED BY: Luigi Auriemma ORIGINAL ADVISORY: http://aluigi.altervista.org/adv/bwocxrun_1-adv.txt OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ DEEP LINKS: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXPLOIT: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ ---------------------------------------------------------------------- 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 ----------------------------------------------------------------------