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Last updated: 11/1/2014 10:07:22 AM

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NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2002-1121

Original release date: 09/24/2002
Last revised: 09/10/2008
Source: US-CERT/NIST

Overview

SMTP content filter engines, including (1) GFI MailSecurity for Exchange/SMTP before 7.2, (2) InterScan VirusWall before 3.52 build 1494, (3) the default configuration of MIMEDefang before 2.21, and possibly other products, do not detect fragmented emails as defined in RFC2046 ("Message Fragmentation and Reassembly") and supported in such products as Outlook Express, which allows remote attackers to bypass content filtering, including virus checking, via fragmented emails of the message/partial content type.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: XF
Name: smtp-content-filtering-bypass(10088)
Type: Advisory
External Source: BID
Name: 5696
US-CERT Vulnerability Note: CERT-VN
Name: VU#836088
External Source: BUGTRAQ
Name: 20020912 FW: Bypassing SMTP Content Protection with a Flick of a Button
External Source: BUGTRAQ
Name: 20020912 Bypassing SMTP Content Protection with a Flick of a Button
External Source: BUGTRAQ
Name: 20020912 Roaring Penguin fixes for "Bypassing SMTP Content Protection with a Flick of a Button"
External Source: VULNWATCH
Name: 20020912 Bypassing SMTP Content Protection with a Flick of a Button
Type: Advisory
External Source: MISC
Name: http://www.securiteam.com/securitynews/5YP0A0K8CM.html
External Source: BUGTRAQ
Name: 20020912 MIMEDefang update (was Re: Bypassing SMTP Content Protection )
Type: Advisory; Patch Information

Technical Details

Vulnerability Type (View All)