CVE-2011-3142
critical
CVSS v3
—
CVSS v4 NEW
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VIR risk
10.0
Description
Stack-based buffer overflow in an ActiveX control in KVWebSvr.dll in WellinTech KingView 6.52 and 6.53 allows remote attackers to execute arbitrary code via a long second argument to the ValidateUser method.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
References
- http://www.cnvd.org.cn/vulnerability/CNVD-2011-04541
- http://www.exploit-db.com/exploits/16936
- http://www.kingview.com/news/detail.aspx?contentid=537
- http://www.osvdb.org/72889
- http://www.scadahacker.com/exploits-wellintech-kvwebsvr.html
- http://www.securityfocus.com/bid/46757
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-066-01.pdf
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-074-01.pdf
- http://www.cnvd.org.cn/vulnerability/CNVD-2011-04541
- http://www.exploit-db.com/exploits/16936
- http://www.kingview.com/news/detail.aspx?contentid=537
- http://www.osvdb.org/72889
- http://www.scadahacker.com/exploits-wellintech-kvwebsvr.html
- http://www.securityfocus.com/bid/46757
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-066-01.pdf
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-074-01.pdf
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.