MAILsweeper allows remote attacker to bypass "File Blocker"
| mailsweeper-bypass-file-blocker (6801) |  Medium Risk |
Description:
MAILsweeper could allow a remote attacker to bypass MAILsweeper¿s "File Blocker" feature. A remote attacker can send an email with an attachment and change the name of the plaintext attachment in the "Content-Type" field to bypass the "File Blocker" feature. This could allow an attacker to upload a malicious file onto the system.
Platforms Affected:
- Clearswift, MAILsweeper for SMTP 4.2
Remedy:
No remedy available as of July 4, 2009.
Consequences:
Bypass Security
References:
- Baltimore Technologies Web site, Vulnerability Alert for MAILsweeper 4.2 at http://www.mimesweeper.com/support/technotes/notes/1102.asp.
- CVE-2001-1581: The File Blocker feature in Clearswift MAILsweeper for SMTP 4.2 allows remote attackers to bypass e-mail attachment filtering policies via a modified name in a Content-Type header.
Reported:
Apr 10, 2001
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