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| GEN:SID | 1:974 |
| Message | WEB-IIS Directory transversal attempt |
| Summary | This event is generated when an attempt is made to peform a denial of service against Internet Information Service (IIS) 1.0 hosts. |
| Impact | Denial of service. This attack may cause an IIS 1.0 server to crash. |
| Detailed Information | IIS 1.0 servers are vulnerable to a denial of service attack when a malformed request containing "..\.." is sent to the server. The service must be restarted to restore functionality. |
| Affected Systems | IIS 1.0 Servers |
| Attack Scenarios | An attacker can send a malformed request to a vulnerable IIS server to cause a denial of service. |
| Ease of Attack | Simple. Send a request similar to this: GET ..\.. |
| Corrective Action | Upgrade to a more current version of IIS. |
| Additional References | CVE http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-1999-0229 Bugtraq: http://www.securityfocus.com/bid/2218 |
| Rule References | bugtraq: 2218 cve: 1999-0229 |
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DID:885140
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