PT-2012-1980 · Siemens · Wincc V11 Runtime Advanced+9

Luigi Auriemma · Published 2012-02-03 · Updated 2017-08-29 · CVE-2011-4877

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Siemens WinCC flexible versions 2004 through 2008 WinCC V11 (aka TIA portal) TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels WinCC V11 Runtime Advanced WinCC flexible Runtime

Description The issue allows remote attackers to cause a denial of service, resulting in an application crash, by sending crafted data over TCP when Transfer Mode is enabled.

Recommendations For Siemens WinCC flexible versions 2004 through 2008, disable Transfer Mode to prevent exploitation. For WinCC V11 (aka TIA portal), disable Transfer Mode to prevent exploitation. For TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels, disable Transfer Mode to prevent exploitation. For WinCC V11 Runtime Advanced, disable Transfer Mode to prevent exploitation. For WinCC flexible Runtime, disable Transfer Mode to prevent exploitation.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2011-4877

Affected Products

Comfort Panels

Mp

Mobile Panels

Op

Simatic Hmi Panels

Tp

Wincc V11

Wincc V11 Runtime Advanced

Wincc Flexible

Wincc Flexible Runtime

References · 10

• 🔥 http://exploit-db.com/exploits/18166 · Exploit
• 🔥 https://exploit-db.com/exploits/18166 · Exploit
• http://siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-4877 · Security Note
• http://us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf · Note
• http://us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf · Note
• http://aluigi.org/adv/winccflex_1-adv.txt · Note
• http://us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71451 · Note
• http://osvdb.org/77382 · Note