MIME-tools does not support RFC 2231 encoding
| mime-tools-parameter-encoding (9274) |  Medium Risk |
Description:
MIME-tools incorrectly handles MIME encoded attachments that are encoded using the method described in RFC 2231. If MIME-tools is used to implement server-based mail scanning, this vulnerability could allow malicious messages to bypass filtering.
Platforms Affected:
- zeegee software, MIME-Tools 5.411a
Remedy:
Apply the unofficial patch for this vulnerability, as listed in the BugTraq Mailing List posting dated Jun 3 2002 8:19PM. See References.
Consequences:
Bypass Security
References:
- BugTraq Mailing List, Mon Jun 03 2002 - 15:19:58 CDT, MIME::Tools Perl module and virus scanners at http://archives.neohapsis.com/archives/bugtraq/2002-06/0006.html.
- Full-Disclosure Mailing List, Mon Sep 13 2004 - 06:48:39 CDT, Corsaire Security Advisory - Multiple vendor MIME RFC2231 encoding issue at http://archives.neohapsis.com/archives/fulldisclosure/2004-09/0391.html.
- MIME-tools Web site, MIME-tools at http://www.zeegee.com/code/perl/MIME-tools/.
- BID-11157: Multiple Vendor MIME Encapsulation Content Checking Filter Bypass Vulnerabilities
- BID-4927: MIME::Tools RFC Parameter Value Continuation Vulnerability
- CVE-2004-0161: Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use RFC2231 encoding, which may be interpreted differently by mail clients.
Reported:
Jun 03, 2002
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