CVE-2011-4512: Code Injection
First published: Fri Feb 03 2012(Updated: )
CRLF injection vulnerability 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 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.
Credit: cret@cert.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Siemens SIMATIC WinCC flexible 2008 | =2004 | |
| Siemens SIMATIC WinCC flexible 2008 | =2008 | |
| Siemens SIMATIC WinCC flexible 2008 | =2008-sp1 | |
| Siemens SIMATIC WinCC flexible 2008 | =2008-sp2 | |
| Siemens SIMATIC WinCC flexible 2008 | =2007 | |
| Siemens SIMATIC WinCC flexible 2008 | =2005 | |
| Siemens Simatic WinCC | =v11 | |
| Siemens Simatic WinCC | =v11-sp1 | |
| Siemens Simatic WinCC | <=v11 | |
| Siemens SIMATIC HMI Panels | =tp | |
| Siemens SIMATIC HMI Panels | =op | |
| Siemens SIMATIC HMI Panels | =mobile_panels | |
| Siemens SIMATIC HMI Panels | =comfort_panels | |
| Siemens SIMATIC HMI Panels | =mp | |
| Siemens SIMATIC WinCC Runtime Advanced | =v11 | |
| Siemens SIMATIC WinCC flexible Runtime |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2011-4512?
CVE-2011-4512 has a CVSS score indicating it is a medium severity vulnerability.
How do I fix CVE-2011-4512?
To fix CVE-2011-4512, you should apply the latest security patch provided by Siemens for the affected software versions.
What software is affected by CVE-2011-4512?
CVE-2011-4512 affects Siemens WinCC flexible versions 2004, 2005, 2007, 2008 and WinCC V11 prior to SP2 Update 1, as well as several SIMATIC HMI panels.
What is a CRLF injection vulnerability like CVE-2011-4512?
A CRLF injection vulnerability, such as CVE-2011-4512, allows an attacker to inject carriage return and line feed characters into an HTTP response, potentially leading to response splitting or header manipulation.
Is there a workaround for CVE-2011-4512?
There is no published workaround for CVE-2011-4512; the recommended action is to update to a secure version.
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- canonical/siemens simatic wincc flexible 2008
- version/siemens simatic wincc flexible 2008/2004
- version/siemens simatic wincc flexible 2008/2008
- version/siemens simatic wincc flexible 2008/2008-sp1
- version/siemens simatic wincc flexible 2008/2008-sp2
- version/siemens simatic wincc flexible 2008/2007
- version/siemens simatic wincc flexible 2008/2005
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- version/siemens simatic wincc/v11
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- version/siemens simatic hmi panels/mobile_panels
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- canonical/siemens simatic wincc runtime advanced
- version/siemens simatic wincc runtime advanced/v11
- canonical/siemens simatic wincc flexible runtime