---------------------------------------------------------------------- Meet Secunia @ Microsoft Management Summit (MMS) in Las Vegas, USA (21-25 March). http://secunia.com/company/events/mms_2011/ ---------------------------------------------------------------------- TITLE: Siemens FactoryLink Multiple Vulnerabilities SECUNIA ADVISORY ID: SA43851 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/43851/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=43851 RELEASE DATE: 2011-03-30 DISCUSS ADVISORY: http://secunia.com/advisories/43851/#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/43851/ 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=43851 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 reported multiple vulnerabilities in Siemens FactoryLink, which can be exploited by malicious people to disclose potentially sensitive information, cause a DoS (Denial of Service), and compromise a vulnerable system. 1) A boundary error in the CSService service when creating a log message can be exploited to cause a stack-based buffer overflow via a specially crafted packet sent to TCP port 7580. 2) An input validation error the CSService service when processing certain commands can be exploited to read arbitrary files via a specially crafted packet containing an absolute path or directory traversal specifiers sent to TCP port 7580. 3) Some boundary errors in vrn.exe when processing certain commands can be exploited to cause a stack-based buffer overflow via a specially crafted packet sent to TCP port 7579. 4) An input validation error vrn.exe when processing a certain command can be exploited to read arbitrary files via a specially crafted packet containing an absolute path or directory traversal specifiers sent to TCP port 7579. 5) An error in the CSService, connsrv, and datasrv services when processing certain fields within a packet can be exploited to cause a loop within a recursive function and crash the process via a specially crafted packet sent to TCP port 6096 or 7580. 6) An error in the CSService service when processing a certain command can be exploited to access an invalid memory location and crash the process via a specially crafted packet sent to TCP port 7580. 7) A NULL-pointer dereference error in the connsrv service when processing a certain command can be exploited to crash the process via a specially crafted packet sent to TCP port 6096. The vulnerabilities are reported in version 8.0.1.1473. Other versions may also be affected. SOLUTION: Restrict access to trusted hosts only (e.g. via network access control lists). PROVIDED AND/OR DISCOVERED BY: Luigi Auriemma ORIGINAL ADVISORY: http://aluigi.altervista.org/adv/factorylink_1-adv.txt http://aluigi.altervista.org/adv/factorylink_2-adv.txt http://aluigi.altervista.org/adv/factorylink_3-adv.txt http://aluigi.altervista.org/adv/factorylink_4-adv.txt http://aluigi.altervista.org/adv/factorylink_5-adv.txt http://aluigi.altervista.org/adv/factorylink_6-adv.txt OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ DEEP LINKS: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXPLOIT: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ ---------------------------------------------------------------------- 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 ----------------------------------------------------------------------