National Cyber Awareness System

Vulnerability Summary for CVE-2011-4879

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

US-CERT Security Bulletin: http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf

Name: http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf

Hyperlink:http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf

External Source: XF

Name: simatic-miniweb-dos(71453)

Hyperlink:http://xforce.iss.net/xforce/xfdb/71453

External Source: MISC

Name: http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf

Hyperlink:http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf

External Source: MISC

Name: http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf

Hyperlink:http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf

External Source: CONFIRM

Name: http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf

Type: Advisory

Hyperlink:http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf

External Source: OSVDB

Name: 77384

Hyperlink:http://www.osvdb.org/77384

External Source: EXPLOIT-DB

Name: 18166

Hyperlink:http://www.exploit-db.com/exploits/18166

External Source: MISC

Name: http://aluigi.org/adv/winccflex_1-adv.txt

Hyperlink:http://aluigi.org/adv/winccflex_1-adv.txt