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Short Name |
HTTP:IIS:IISCHECK-PROBE
|
Severity |
Warning
|
Recommended |
No
|
Category |
HTTP
|
Keywords |
IIS .htr Heap Overflow Scanner Probe
|
Release Date |
2003/04/25
|
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 .htr Heap Overflow Scanner Probe
This signature detects reconnaisance attempts against Microsoft IIS 4.0 and 5.0. Attackers can use iischeck.pl to determine if an IIS server is vulnerable to a heap overflow in .htr parsing. Attackers can obtain and use sensitive information to plan future, more targeted attacks.
Extended Description
A heap overflow condition in the 'chunked encoding transfer mechanism' related to the ISAPI HTR extension has been discovered in Microsoft IIS (Internet Information Services).
This condition affects IIS 4.0 and IIS 5.0. Exploitation of this vulnerability may result in a denial of service or allow for a remote attacker to execute arbitrary instructions on the victim host.
Affected Products
- Microsoft iis 4.0
- Microsoft iis 5.0
- Microsoft windows_2000_advanced_server SP1
- Microsoft windows_2000_advanced_server SP2
- Microsoft windows_2000_advanced_server
- Microsoft windows_2000_datacenter_server SP1
- Microsoft windows_2000_datacenter_server SP2
- Microsoft windows_2000_datacenter_server
- Microsoft windows_2000_professional SP1
- Microsoft windows_2000_professional SP2
- Microsoft windows_2000_professional
- Microsoft windows_2000_server SP1
- Microsoft windows_2000_server SP2
- Microsoft windows_2000_server
- Microsoft windows_2000_terminal_services SP1
- Microsoft windows_2000_terminal_services SP2
- Microsoft windows_2000_terminal_services
- 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 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