---------------------------------------------------------------------- Secunia is hiring! Find your next job here: http://secunia.com/company/jobs/ ---------------------------------------------------------------------- TITLE: Siemens Automation License Manager Denial of Service and ActiveX Control Vulnerabilities SECUNIA ADVISORY ID: SA46979 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/46979/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=46979 RELEASE DATE: 2011-11-28 DISCUSS ADVISORY: http://secunia.com/advisories/46979/#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/46979/ 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=46979 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 Siemens Automation License Manager, which can be exploited by malicious people to cause a DoS (Denial of Service) and manipulate certain data. 1) An error in almsrvx.exe when processing certain requests can be exploited to cause an unhandled exception and terminate the service via a specially crafted packet sent to TCP port 4410. 2) An NULL pointer dereference error in almsrvx.exe when processing certain requests can be exploited to crash the service via a specially crafted packet sent to TCP port 4410. 3) The insecure "Save()" method in the ALMListView.ALMListCtrl ActiveX control (almaxcx.dll) can be exploited to create or overwrite arbitrary files with empty content in the context of the currently logged-on user. The vulnerabilities are confirmed in version 5.1 Upd1 (almsrvx.exe version 501.1.102.1). Other versions may also be affected. SOLUTION: Restrict access to trusted hosts only. Set the kill-bit for the affected ActiveX control. PROVIDED AND/OR DISCOVERED BY: Luigi Auriemma ORIGINAL ADVISORY: http://aluigi.altervista.org/adv/almsrvx_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 ----------------------------------------------------------------------