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Assigned : VUPEN/ADV-2005-3010
From : Security Advisories <Security-Advisories at acs-inc.com>
Subject : [ACSSEC-2005-11-25-0x6] FTGate 4.4 [Build 4.4.000 Oct 26 2005] Fo rmat String Overflow
Date : 2005-12-20
Original Message
-=[+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]=-
ACS Security Assessment Advisory - Format String Overflow
ID: ACSSEC-2005-11-25 - 0x6
Class: Format String Overflow
Package: FTGate 4.4 [Build 4.4.000 Oct 26 2005] IMAPd Service
Build: Windows NT/2k/XP/2k3
Notified: Dec 01, 2005
Released: Dec 20, 2005
Remote: Yes
Severity: Low
Credit: Tim Shelton <security-advisories_at_acs-inc.com>
-=[+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]=-
-=[ Background
FTGate4 is a powerful Windows(TM) communication suite that combines
exceptional mail handling facilities with comprehensive Groupware
functionality. Its security and collaboration features were developed
in conjunction with leading ISP's and define a new era in mail server
performance.
-=[ Technical Description
FTGate 4.4 [Build 4.4.000 Oct 26 2005] is vulnerable to multiple format
string overflows via specially crafted imap requests. A remote attacker
could issue the vulnerable command followed by a malicious code to execute
arbitrary code.
-=[ Proof of Concepts
IMAP 01 LIST (%25n times 1024) *
IMAP 02 AUTHENTICATE (%25n times 1024)
-=[ Solution
No remedy available as of December 2005.
-=[ Credits
Vulnerability originally reported by Tim Shelton
-=[ ChangeLog
2005-11-25 : Original Advisory
2005-12-01 : Notified Vendor
2005-12-20 : No response from vendor, disclosing full information.
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