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Bekijk Volledige Versie : [SEC-1 Advisory] GFI MailSecurity 8.1 Web Module Buffer Overflow



Gary Oleary-Steele
12/10/05, 21:25
=20 SEC-1 LTD.
=20 www.sec-1.com

=20 Security Advisory

Advisory Name: GFI MailSecurity 8.1 Web Module Buffer Overflow
=20Release Date: 12/October/2005
=20 Application: GFI MailSecurity For SMTP version 8.1

=20 Platform: Verified on Windows 2000 Server
=20 Severity: Remote Code Execution=20
=20 Author: Gary O'leary-Steele=20
Vendor Status: Patch Released
CVE Candidate: Pending
=20 Reference: http://www.sec-1.com


Overview:=20

Taken from gfi.com:

GFI MailSecurity for SMTP is a Content filtering, anti-virus and=20
Email Intrusion prevention product from GFI.

GFI MailSecurity is available as an SMTP gateway version and for=20
VS API. The gateway version should be deployed at the perimeter=20
of the network as a mail relay server and scans inbound and=20
outbound mail. The VS API version integrates seamlessly with=20
Exchange Server 2000/2003 and scans the Exchange information stores.
Both versions can be deployed simultaneously to achieve optimum=20
protection.


Vulnerability Details:=20

Sec-1 has identified an exploitable Buffer Overflow within the HTTP
management interface. By sending large strings within several areas
of the HTTP request (such as a large 'Host' or 'Accept' header)
critical portions of memory are overwritten. Verification of this
vulnerability can be achieved through the use of a HTTP fuzzer, such=20
as @stake webproxy. Successful exploitation could allow an attacker
to gain administrative control of the targeted host.


Vendor Response:

The vendor has released information and a patch

KB: http://kbase.gfi.com/showarticle.asp?id=3DKBID002451
Patch: ftp://ftp.gfi.com/patches/MSEC8_PATCH_20050919_01.zip

Common Vulnerabilities and Exposures (CVE) Information:

The Common Vulnerabilities and Exposures (CVE) project has assigned=20
the following names to these issues. These are candidates for=20
inclusion in the CVE list (http://cve.mitre.org), which standardizes=20
names for security problems.


Pending

Copyright 2005 Sec-1 LTD. All rights reserved.
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