VAR-200602-0436

Vulnerability from variot - Updated: 2025-04-03 22:42

NmService.exe in Ipswitch WhatsUp Professional 2006 allows remote attackers to cause a denial of service (CPU consumption) via crafted requests to Login.asp, possibly involving the (1) "In]" and (2) "b;tnLogIn" parameters, or (3) malformed btnLogIn parameters, possibly involving missing "[" (open bracket) or "[" (closing bracket) characters, as demonstrated by "&btnLogIn=[Log&In]=&" or "&b;tnLogIn=[Log&In]=&" in the URL. NOTE: due to the lack of diagnosis by the original researcher, the precise nature of the vulnerability is unclear. Ipswitch WhatsUp Professional 2006 is susceptible to a remote denial-of-service vulnerability. This issue is due to the application's failure to properly handle certain HTTP GET requests. This issue allows remote attackers to consume excessive CPU resources on targeted computers, denying service to legitimate users. Whatsup Professional software is a tool developed by Ipswitch to monitor the network status of TCP/IP, NetBEUI and IPX. Remote attackers may use this vulnerability to perform denial of service attacks on server programs. If the user visits a specially crafted URL request, it may cause NmService to use 100\% of CPU resources, resulting in a denial of service

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