VAR-201109-0223
Vulnerability from variot - Updated: 2025-04-11 23:02Heap-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. Siemens SIMATIC WinCC flexible and WinCC (TIA Portal) Runtime Advanced is a software package for virtualization. A security vulnerability exists in the implementation of Siemens SIMATIC WinCC, which can be exploited by malicious users to control the affected system. This vulnerability stems from an error in the runtime loader when parsing a received message, causing a heap buffer overflow through a specially crafted message sent to port 2308/TCP. ----------------------------------------------------------------------
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TITLE: Siemens SIMATIC WinCC Runtime Loader Buffer Overflow Vulnerability
SECUNIA ADVISORY ID: SA46011
VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/46011/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=46011
RELEASE DATE: 2011-09-15
DISCUSS ADVISORY: http://secunia.com/advisories/46011/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s)
http://secunia.com/advisories/46011/
ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS
https://ca.secunia.com/?page=viewadvisory&vuln_id=46011
ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING
http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/
DESCRIPTION: A vulnerability has been reported in Siemens SIMATIC WinCC, which can be exploited by malicious people to potentially compromise a vulnerable system.
Successful exploitation may allow execution of arbitrary code, but requires that "transfer" mode is enabled (disabled by default).
SOLUTION: Disable "transfer" mode or restrict access to port 2308/TCP.
PROVIDED AND/OR DISCOVERED BY: Billy Rios and Terry McCorkle via ICS-CERT.
ORIGINAL ADVISORY: Siemens: http://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&lang=de&objid=29054992&caller=view http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf
ICS-CERT: http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf
OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
DEEP LINKS: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
EXPLOIT: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/
About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/advisories/secunia_security_advisories/
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Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
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"data": "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. Siemens SIMATIC WinCC flexible and WinCC (TIA Portal) Runtime Advanced is a software package for virtualization. A security vulnerability exists in the implementation of Siemens SIMATIC WinCC, which can be exploited by malicious users to control the affected system. This vulnerability stems from an error in the runtime loader when parsing a received message, causing a heap buffer overflow through a specially crafted message sent to port 2308/TCP. ----------------------------------------------------------------------\n\nThe new Secunia Corporate Software Inspector (CSI) 5.0 \nIntegrates with Microsoft WSUS \u0026 SCCM and supports Apple Mac OS X. \n\nGet a free trial now and qualify for a special discount:\nhttp://secunia.com/vulnerability_scanning/corporate/trial/\n\n----------------------------------------------------------------------\n\nTITLE:\nSiemens SIMATIC WinCC Runtime Loader Buffer Overflow Vulnerability\n\nSECUNIA ADVISORY ID:\nSA46011\n\nVERIFY ADVISORY:\nSecunia.com\nhttp://secunia.com/advisories/46011/\nCustomer Area (Credentials Required)\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=46011\n\nRELEASE DATE:\n2011-09-15\n\nDISCUSS ADVISORY:\nhttp://secunia.com/advisories/46011/#comments\n\nAVAILABLE ON SITE AND IN CUSTOMER AREA:\n * Last Update\n * Popularity\n * Comments\n * Criticality Level\n * Impact\n * Where\n * Solution Status\n * Operating System / Software\n * CVE Reference(s)\n\nhttp://secunia.com/advisories/46011/\n\nONLY AVAILABLE IN CUSTOMER AREA:\n * Authentication Level\n * Report Reliability\n * Secunia PoC\n * Secunia Analysis\n * Systems Affected\n * Approve Distribution\n * Remediation Status\n * Secunia CVSS Score\n * CVSS\n\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=46011\n\nONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:\n * AUTOMATED SCANNING\n\nhttp://secunia.com/vulnerability_scanning/personal/\nhttp://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/\n\nDESCRIPTION:\nA vulnerability has been reported in Siemens SIMATIC WinCC, which can\nbe exploited by malicious people to potentially compromise a\nvulnerable system. \n\nSuccessful exploitation may allow execution of arbitrary code, but\nrequires that \"transfer\" mode is enabled (disabled by default). \n\nSOLUTION:\nDisable \"transfer\" mode or restrict access to port 2308/TCP. \n\nPROVIDED AND/OR DISCOVERED BY:\nBilly Rios and Terry McCorkle via ICS-CERT. \n\nORIGINAL ADVISORY:\nSiemens:\nhttp://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo\u0026lang=de\u0026objid=29054992\u0026caller=view\nhttp://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf\n\nICS-CERT:\nhttp://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf\n\nOTHER REFERENCES:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nDEEP LINKS:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXTENDED DESCRIPTION:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXTENDED SOLUTION:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXPLOIT:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\n----------------------------------------------------------------------\n\nAbout:\nThis Advisory was delivered by Secunia as a free service to help\nprivate users keeping their systems up to date against the latest\nvulnerabilities. \n\nSubscribe:\nhttp://secunia.com/advisories/secunia_security_advisories/\n\nDefinitions: (Criticality, Where etc.)\nhttp://secunia.com/advisories/about_secunia_advisories/\n\n\nPlease Note:\nSecunia recommends that you verify all advisories you receive by\nclicking the link. \nSecunia NEVER sends attached files with advisories. \nSecunia does not advise people to install third party patches, only\nuse those supplied by the vendor. \n\n----------------------------------------------------------------------\n\nUnsubscribe: Secunia Security Advisories\nhttp://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org\n\n----------------------------------------------------------------------\n\n\n",
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.