CVE-2011-4879 Information

Description

miniweb.exe in the HMI web server in Siemens WinCC flexible 2004 2005 2007 and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP OP MP Comfort Panels and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not properly handle URIs beginning with a 0xfa character which allows remote attackers to read data from arbitrary memory locations or cause a denial of service (application crash) via a crafted POST request.

Reference

http://aluigi.org/adv/winccflex_1-adv.txt http://www.exploit-db.com/exploits/18166 http://www.osvdb.org/77384 http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf https://exchange.xforce.ibmcloud.com/vulnerabilities/71453