VAR-201108-0127

Vulnerability from variot - Updated: 2023-12-18 14:02

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. KingView is a product for building data information service platforms for industrial automation. WellinTech KingView 'KVWebSvr.dll' The ActiveX control handles the parameters of the ValidateUser method with boundary conditions. The remote attacker can exploit the vulnerability to build a malicious WEB page, entice the user to parse, and execute arbitrary code in the application security context. WellinTech KingView ActiveX control is prone to a heap-based buffer-overflow vulnerability because it fails to perform adequate boundary checks on user-supplied input. Failed attacks will likely cause denial-of-service conditions. KingView 6.53 is vulnerable; other versions may also be affected

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Sightings

Author Source Type Date

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.


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Detection rules are retrieved from Rulezet.

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