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| GEN:SID | 1:2114 |
| Message | RSERVICES rexec password overflow attempt |
| Summary | This event is generated when a remote attacker attempts to send a large number of null characters to port 512 on an internal server. This may indicate an attempt to exploit a buffer overflow condition in Pragma Systems TelnetServer 2000. |
| Impact | Denial of service by anonymous, remote users. |
| Detailed Information | Pragma Systems TelnetServer 2000 contains a vulnerability where a large number of null characters sent to the Telnet server's rexec port can crash the server. |
| Affected Systems | Pragma Systems TelnetServer 2000 |
| Attack Scenarios | A remote attacker can send messages that contain a large number of null characters to the Telnet server, causing the server to crash. |
| Ease of Attack | Simple. An exploit exists. |
| Corrective Action | Upgrade to TelnetServer 2000 build 2 or higher. |
| Additional References | Bugtraq http://www.securityfocus.com/bid/1605 CVE http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2000-0708 |
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DID:422199
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