SERVER-MAIL -- Snort has detected traffic exploiting vulnerabilities in mail servers (such as Exchange, Courrier). These are different from protocol traffic, as this deals with the traffic going to the mail server itself.
SERVER-MAIL RCPT TO overflow
Buffer overflow in Lotus Domino Mail Server 5.0.5 and earlier allows a remote attacker to crash the server or execute arbitrary code via a long "RCPT TO" command.
This rule detects a buffer overflow attempt using the RCPT TO command in SMTP servers.
No public information
No known false positives
Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].
Tactic: Initial Access
Technique: Exploit Public-Facing Application
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org
Buffer Overflow
Buffer Overflows occur when a memory location is filled past its expected boundaries. Computer attackers target systems without proper terminating conditions on buffers, which then write the additional information in other locations in memory, overwriting what is there. This could corrupt the data, making the system behave erratically or crash. The new information could include malicious executable code, which might be executed.
CVE-2001-0260Buffer overflow in Lotus Domino Mail Server 5.0.5 and earlier allows a remote attacker to crash the server or execute arbitrary code via a long "RCPT TO" command. |
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CVE-2003-0694The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code via buffer overflow attacks, as demonstrated using the parseaddr function in parseaddr.c. |
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CVE-2008-0394Buffer overflow in Citadel SMTP server 7.10 and earlier allows remote attackers to execute arbitrary code via a long RCPT TO command, which is not properly handled by the makeuserkey function. NOTE: some of these details were obtained from third party information. |
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CVE-2009-0410Off-by-one error in the SMTP daemon in GroupWise Internet Agent (GWIA) in Novell GroupWise 6.5x, 7.0, 7.01, 7.02, 7.03, 7.03HP1a, and 8.0 allows remote attackers to execute arbitrary code via a long e-mail address in a malformed RCPT command, leading to a buffer overflow. |
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CVE-2010-2580The SMTP service (MESMTPC.exe) in MailEnable 3.x and 4.25 does not properly perform a length check, which allows remote attackers to cause a denial of service (crash) via a long (1) email address in the MAIL FROM command, or (2) domain name in the RCPT TO command, which triggers an "unhandled invalid parameter error." |
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