PRIOn knowledge basePRION:CVE-2011-4879Cross site request forgery (csrf)
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.
References
aluigi.org/adv/winccflex_1-adv.txt
www.osvdb.org/77384
www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf
www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf
www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
exchange.xforce.ibmcloud.com/vulnerabilities/71453
www.exploit-db.com/exploits/18166
www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf
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