CVE-2011-4879

28Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendepss 13%

from disclosure to weapon0 days

Published on NVDFeb 3

1st PoCNov 28

exploitation probability

13%top 4% of all CVEs

observed exploitation

nono source reports it

2 public exploit(s)

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

n/a · n/a

public PoCs found — 2✓ VexDay Proof

exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/18166 cve_referencewww.exploit-db.com/exploits/18166unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

http://aluigi.org/adv/winccflex_1-adv.txt https://exchange.xforce.ibmcloud.com/vulnerabilities/71453 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-11-332-02A.pdf http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf