CVE-2011-4879

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• Siemens SIMATIC WinCC Flexible (Runtime) - Multiple Vulnerabilities2011-11-28 · dos · windows · Verified

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• 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/ICS-ALERT-11-332-02.pdf
• http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf
• http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71453
• 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/ICS-ALERT-11-332-02.pdf
• http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf
• http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71453