[NT] GFI MailSecurity Web Module Buffer Overflow

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GFI MailSecurity Web Module Buffer Overflow
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SUMMARY

<http://www.gfi.com/mailsecurity/> GFI MailSecurity is "a Content
filtering, anti-virus and Email Intrusion prevention product from
<http://www.gfi.com/> GFI".

Buffer Overflow vulnerability discovered in web module of GFI MailSecurity
product.

DETAILS

Vulnerable Systems:
* GFI MailSecurity version 8.1

Immune Systems:
* GFI MailSecurity version 8.x patched with
<ftp://ftp.gfi.com/patches/MSEC8_PATCH_20050919_01.zip>
MSEC8_PATCH_20050919_01.zip

An exploitable Buffer Overflow within the HTTP management interface has
been identified. 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 as @stake webproxy. Successful exploitation could allow
an attacker to gain administrative control of the targeted host.

Vendor Response:
Vendor released patch and public notice.
<http://kbase.gfi.com/showarticle.asp?id=KBID002451>
http://kbase.gfi.com/showarticle.asp?id=KBID002451
<ftp://ftp.gfi.com/patches/MSEC8_PATCH_20050919_01.zip>
ftp://ftp.gfi.com/patches/MSEC8_PATCH_20050919_01.zip

ADDITIONAL INFORMATION

The information has been provided by <mailto:garyo@sec-1.com> Gary
O'leary-Steele.

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