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Vulnerability Details : CVE-2011-4879 (1 public exploit)

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.
Publish Date : 2012-02-03 Last Update Date : 2017-08-29
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- CVSS Scores & Vulnerability Types

CVSS Score
8.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 20

- Products Affected By CVE-2011-4879

# Product Type Vendor Product Version Update Edition Language
1 Application Siemens Simatic Hmi Panels MP * * * Version Details Vulnerabilities
2 Application Siemens Simatic Hmi Panels OP * * * Version Details Vulnerabilities
3 Application Siemens Simatic Hmi Panels TP * * * Version Details Vulnerabilities
4 Application Siemens Simatic Hmi Panels Comfort Panels * * * Version Details Vulnerabilities
5 Application Siemens Simatic Hmi Panels Mobile Panels * * * Version Details Vulnerabilities
6 Application Siemens Wincc * SP2 * * Version Details Vulnerabilities
7 Application Siemens Wincc V11 SP1 * * Version Details Vulnerabilities
8 Application Siemens Wincc V11 * * * Version Details Vulnerabilities
9 Application Siemens Wincc Flexible 2004 * * * Version Details Vulnerabilities
10 Application Siemens Wincc Flexible 2005 * * * Version Details Vulnerabilities
11 Application Siemens Wincc Flexible 2007 * * * Version Details Vulnerabilities
12 Application Siemens Wincc Flexible 2008 SP2 * * Version Details Vulnerabilities
13 Application Siemens Wincc Flexible 2008 SP1 * * Version Details Vulnerabilities
14 Application Siemens Wincc Flexible 2008 * * * Version Details Vulnerabilities
15 Application Siemens Wincc Flexible Runtime * * * * Version Details Vulnerabilities
16 Application Siemens Wincc Runtime Advanced V11 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Siemens Simatic Hmi Panels 5
Siemens Wincc 3
Siemens Wincc Flexible 6
Siemens Wincc Flexible Runtime 1
Siemens Wincc Runtime Advanced 1

- References For CVE-2011-4879

http://aluigi.org/adv/winccflex_1-adv.txt
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf
Exploit! http://www.exploit-db.com/exploits/18166
EXPLOIT-DB 18166 Siemens SIMATIC WinCC Flexible (Runtime) Multiple Vulnerabilities Author:Luigi Auriemma Release Date:2011-11-28 (windows) dos
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf
http://www.osvdb.org/77384
OSVDB 77384
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf CONFIRM
http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
https://exchange.xforce.ibmcloud.com/vulnerabilities/71453
XF simatic-miniweb-dos(71453)

- Metasploit Modules Related To CVE-2011-4879

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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