McAfee Webshield SMTP specially-malformed MIME encoded file attachments could bypass virus scanner
| webshield-smtp-mime-attachments (7637) |  Medium Risk |
Description:
McAfee WebShield could allow malicious file attachments to bypass the virus scanner. If a remote attacker sends an email message with a specially-malformed MIME encoded attachment that fails to follow the MIME specification, content filtering rules could be bypassed allowing the malicious attachment to pass through the virus scanner, essentially bypassing detection.
Platforms Affected:
- McAfee, WebShield 4.5
Remedy:
No remedy available as of July 4, 2009.
Consequences:
Bypass Security
References:
- BugTraq Mailing List, Fri Nov 30 2001 - 03:35:41 CST, Re: NAI Webshield SMTP for WinNT MIME header vuln that allows BadTrans to pass] at http://archives.neohapsis.com/archives/bugtraq/2001-11/0294.html.
- BugTraq Mailing List, Thu Nov 29 2001 - 07:50:32 CST, NAI Webshield SMTP for WinNT MIME header vuln that allows BadTrans to pass] at http://archives.neohapsis.com/archives/bugtraq/2001-11/0262.html.
- BID-3601: Network Associates WebShield SMTP Malformed Mime Header Vulnerability
- CVE-2001-1542: NAI WebShield SMTP 4.5 and possibly 4.5 MR1a does not filter improperly MIME encoded email attachments, which could allow remote attackers to bypass filtering and possibly execute arbitrary code in email clients that process the invalid attachments.
Reported:
Nov 29, 2001
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