National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-3321)

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Last updated: Thu May 23 01:06:48 EDT 2013

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Vulnerability Summary for CVE-2011-3321

Original release date:09/16/2011

Last revised:06/04/2012

Source: US-CERT/NIST

Overview

Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader, as used in SIMATIC WinCC flexible Runtime and SIMATIC WinCC (TIA Portal) Runtime Advanced, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted packet to TCP port 2308.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)

Impact Subscore: 10.0

Exploitability Subscore: 8.6

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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US-CERT Security Bulletin: http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf

Name: http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf

Hyperlink:http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf

External Source: XF

Name: simatic-wincc-runtime-bo(69803)

Hyperlink:http://xforce.iss.net/xforce/xfdb/69803

External Source: MISC

Name: http://support.automation.siemens.com/WW/view/en/29054992

Hyperlink:http://support.automation.siemens.com/WW/view/en/29054992

External Source: SECUNIA

Name: 46011

Type: Advisory