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Short Name |
HTTP:IIS:CGI-BIN-CMD-EXE
|
Severity |
Minor
|
Recommended |
No
|
Category |
HTTP
|
Keywords |
IIS cgi-bin/cmd.exe Probe
|
Release Date |
2003/04/22
|
Update Number |
1213
|
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+
|
HTTP: IIS cgi-bin/cmd.exe Probe
This signature detects attempts to remotely execute cmd.exe.
Extended Description
An unchecked buffer exists in the code that handles environment strings within the command interpreter of Windows NT 4.0 and 2000, cmd.exe. If an unusually large environment variable is specified, cmd.exe will fail and the memory used will not be freed. By exploiting this repeatedly, an attacker could use up all free memory and cause a denial of service. This weakness could be exploited remotely via email, or in a situation where a batch file was used as a CGI script, and put user input into an environment variable.
Affected Products
- Microsoft terminal_server_(wts)
- Microsoft windows_2000_advanced_server
- Microsoft windows_2000_professional
- Microsoft windows_2000_server
- Microsoft windows_nt 4.0
- Microsoft windows_nt 4.0 alpha
- Microsoft windows_nt_enterprise_server 4.0
- Microsoft windows_nt_enterprise_server 4.0 SP1
- Microsoft windows_nt_enterprise_server 4.0 SP2
- Microsoft windows_nt_enterprise_server 4.0 SP3
- Microsoft windows_nt_enterprise_server 4.0 SP4
- Microsoft windows_nt_enterprise_server 4.0 SP5
- Microsoft windows_nt_enterprise_server 4.0 SP6
- Microsoft windows_nt_enterprise_server 4.0 SP6a
- Microsoft windows_nt_server 4.0
- Microsoft windows_nt_server 4.0 SP1
- Microsoft windows_nt_server 4.0 SP2
- Microsoft windows_nt_server 4.0 SP3
- Microsoft windows_nt_server 4.0 SP4
- Microsoft windows_nt_server 4.0 SP5
- Microsoft windows_nt_server 4.0 SP6
- Microsoft windows_nt_server 4.0 SP6a
- Microsoft windows_nt_terminal_server 4.0
- Microsoft windows_nt_terminal_server 4.0 alpha
- Microsoft windows_nt_terminal_server 4.0 SP1
- Microsoft windows_nt_terminal_server 4.0 SP2
- Microsoft windows_nt_terminal_server 4.0 SP3
- Microsoft windows_nt_terminal_server 4.0 SP4
- Microsoft windows_nt_terminal_server 4.0 SP5
- Microsoft windows_nt_terminal_server 4.0 SP6
- Microsoft windows_nt_workstation 4.0
- Microsoft windows_nt_workstation 4.0 SP1
- Microsoft windows_nt_workstation 4.0 SP2
- Microsoft windows_nt_workstation 4.0 SP3
- Microsoft windows_nt_workstation 4.0 SP4
- Microsoft windows_nt_workstation 4.0 SP5
- Microsoft windows_nt_workstation 4.0 SP6
- Microsoft windows_nt_workstation 4.0 SP6a
References