CVE-2006-0447
HighSummary
Multiple buffer overflows in E-Post Mail Server 4.10 and SPA-PRO Mail @Solomon 4.00 allow remote attackers to execute arbitrary code via a long username in SMTP AUTH PLAIN or AUTH LOGIN commands, a long username in the POP3 APOP command, or a long IMAP DELETE command.
Risk Assessment
The risk for the organization includes complete compromise of the mail server by a remote unauthenticated attacker, potentially leading to data theft, service disruption, or further attacks on the internal network.
Recommendation
Immediately upgrade E-Post Mail Server and SPA-PRO Mail @Solomon to versions later than 4.10/4.00 or apply the vendor's security patch. If upgrading is not possible, restrict server access to trusted IP addresses only.
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Original NVD description (English source)
Multiple buffer overflows in E-Post Mail Server 4.10 and SPA-PRO Mail @Solomon 4.00 allow remote attackers to execute arbitrary code via a long username to the (1) AUTH PLAIN or (2) AUTH LOGIN SMTP commands, which is not properly handled by (a) EPSTRS.EXE or (b) SPA-RS.EXE; (3) a long username in the APOP POP3 command, which is not properly handled by (c) EPSTPOP4S.EXE or (d) SPA-POP3S.EXE; (4) a long IMAP DELETE command, which is not properly handled by (e) EPSTIMAP4S.EXE or (f) SPA-IMAP4S.EXE.

