Vulnerability Details : CVE-2011-4875
Stack-based buffer overflow in HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime, when Transfer Mode is enabled, allows remote attackers to execute arbitrary code via vectors related to Unicode strings.
Vulnerability category: OverflowExecute code
Products affected by CVE-2011-4875
- cpe:2.3:a:siemens:wincc_flexible:2004:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible:2005:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible:2007:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible:2008:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc:v11:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:op:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:comfort_panels:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:tp:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:mp:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_hmi_panels:mobile_panels:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_runtime_advanced:v11:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_flexible_runtime:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-4875
37.93%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4875
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST |
CWE ids for CVE-2011-4875
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4875
-
http://aluigi.org/adv/winccflex_1-adv.txt
-
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf
404 - File Not Found | CISA
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http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf
404 - File Not Found | CISA
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/71449
Siemens Simatic WinCC HmiLoad.exe buffer overflow undefined Vulnerability Report
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http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf
Vendor Advisory
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http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
404 - File Not Found | CISAUS Government Resource
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http://www.exploit-db.com/exploits/18166
Siemens SIMATIC WinCC Flexible (Runtime) - Multiple Vulnerabilities - Windows dos Exploit
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