The default configuration of the Xsession file in Mandrake Linux 7.1 and 7.0 bypasses the Xauthority access control mechanism with an "xhost + localhost" command, which allows local users to sniff X Windows events and gain privileges.

The default configuration of XFCE 3.5.1 bypasses the Xauthority access control mechanism with an "xhost + localhost" command in the xinitrc program, which allows local users to sniff X Windows traffic and gain privileges.

The GUI installation for iCal 2.1 Patch 2 disables access control for the X server using an "xhost +" command, which allows remote attackers to monitor X Windows events and gain privileges.

Microsoft Windows 2000 before Service Pack 2 (SP2), when running in a non-Windows 2000 domain and using NTLM authentication, and when credentials of an account are locally cached, allows local users to bypass account lockout policies and make an unlimited number of login attempts, aka the "Domain Account Lockout" vulnerability.

annclist.exe in webTV for Windows allows remote attackers to cause a denial of service by via a large, malformed UDP packet to ports 22701 through 22705.

The Windows 2000 telnet client attempts to perform NTLM authentication by default, which allows remote attackers to capture and replay the NTLM challenge/response via a telnet:// URL that points to the malicious server, aka the "Windows 2000 Telnet Client NTLM Authentication" vulnerability.

Race condition in Microsoft Windows Media server allows remote attackers to cause a denial of service in the Windows Media Unicast Service via a malformed request, aka the "Unicast Service Race Condition" vulnerability.

Buffer overflow in the Still Image Service in Windows 2000 allows local users to gain additional privileges via a long WM_USER message, aka the "Still Image Service Privilege Escalation" vulnerability.

Vulnerability in Microsoft Windows NT 4.0 allows remote attackers to cause a denial of service in IIS by sending it a series of malformed requests which cause INETINFO.EXE to fail, aka the "Invalid URL" vulnerability.

The Service Control Manager (SCM) in Windows 2000 creates predictable named pipes, which allows a local user with console access to gain administrator privileges, aka the "Service Control Manager Named Pipe Impersonation" vulnerability.

The IPX protocol implementation in Microsoft Windows 95 and 98 allows remote attackers to cause a denial of service by sending a ping packet with a source IP address that is a broadcast address, aka the "Malformed IPX Ping Packet" vulnerability.

Microsoft Windows 2000 allows local users to cause a denial of service by corrupting the local security policy via malformed RPC traffic, aka the "Local Security Policy Corruption" vulnerability.

The web-based folder display capability in Microsoft Internet Explorer 5.5 on Windows 98 allows local users to insert Trojan horse programs by modifying the Folder.htt file and using the InvokeVerb method in the ShellDefView ActiveX control to specify a default execute option for the first file that is listed in the folder.

Interactions between the CIFS Browser Protocol and NetBIOS as implemented in Microsoft Windows 95, 98, NT, and 2000 allow remote attackers to modify dynamic NetBIOS name cache entries via a spoofed Browse Frame Request in a unicast or UDP broadcast datagram.

The registry entry for the Windows Shell executable (Explorer.exe) in Windows NT and Windows 2000 uses a relative path name, which allows local users to execute arbitrary commands by inserting a Trojan Horse named Explorer.exe into the %Systemdrive% directory, aka the "Relative Shell Path" vulnerability.

Microsoft Outlook Express allows remote attackers to monitor a user's email by creating a persistent browser link to the Outlook Express windows, aka the "Persistent Mail-Browser Link" vulnerability.

A Windows NT administrator account has the default name of Administrator.

Windows 2000 Server allows remote attackers to cause a denial of service by sending a continuous stream of binary zeros to various TCP and UDP ports, which significantly increases the CPU utilization.

Windows 2000 Telnet Server allows remote attackers to cause a denial of service by sending a continuous stream of binary zeros, which causes the server to crash.

Windows 95 and Windows 98 do not properly process spoofed ARP packets, which allows remote attackers to overwrite static entries in the cache table.