CVE:CVE-2002-1121
CNNVD:CNNVD-200209-051
(1)Exchange/SMTP 7.2之前版本的GFI MailSecurity，(2) InterScan VirusWall 3.52 build 1494之前版本，(3)MIMEDefang 2.21之前版本的默认配置，和可能其他的产品的SMTP目录过滤器引擎不能检测到电子邮件的碎片，正如在RFC2046（“消息分段和重新装配”）中定义的和在如Outlook Express产品中支持的。远程攻击者借助message/partial目录类型的电子邮件碎片绕过目录过滤器包含病毒检查。
solution:Upgrade gfi mailsecurity to a higher version than 7.2,and avoid the version 7.2; Upgrade network_associates webshield_smtp to a higher version than 4.0.5,4.5,4.5.44,4.5.74.0,and avoid the version 4.0.5,4.5,4.5.44,4.5.74.0; Upgrade roaring_penguin canit to a higher version than 1.2,and avoid the version 1.2; Upgrade roaring_penguin mimedefang to a higher version than 2.14,2.20,and avoid the version 2.14,2.20; Upgrade trend_micro interscan_viruswall to a higher version than 3.5,3.51,3.52,and avoid the version 3.5,3.51,3.52