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Home arrow SecurityAlert Database

Arrow  Topic :

WinGate Email Server (IMAP) vulnerability


Arrow  SecurityAlert : 4146
Arrow  CVE : CVE-2008-3606
Arrow  CWE : CWE-119
Arrow  SecurityRisk : Medium  Security Risk Medium  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Victim interaction required : No
Arrow  Exploit Available : No
Arrow  Credit : J Antunes
Arrow  Published : 15.08.2008

Arrow  Affected Software : Qbik, WinGate, 6.2.2.1137
Qbik, WinGate, 6.2.2, and previous
Qbik, WinGate, 5.0.1.766
Qbik, WinGate, 2.1
Qbik, WinGate, 3.0
Qbik, WinGate, 4.0.1
Qbik, WinGate, 5.0
Qbik, WinGate, 5.0.5
Qbik, WinGate, 5.2.3
Qbik, WinGate, 6.0
Qbik, WinGate, 6.1.1.1077
Qbik, WinGate, 6.1.2.1094
Qbik, WinGate, 6.1.3.1096
Qbik, WinGate, 6.1.4
Qbik, WinGate, 6.2.1
Qbik, WinGate, 4.1, Beta_a
Qbik, WinGate, 2.0
Qbik, WinGate, 3.0.5
Qbik, WinGate, 6.0.2.1001
Qbik, WinGate, 6.0.3.1005
Qbik, WinGate, 6.0.4.1025
Qbik, WinGate, 6.0.2.1000
Qbik, WinGate, 6.0.1.993
Qbik, WinGate, 6.0.1.995
Qbik, WinGate, 6.0.0.984
Qbik, WinGate, 5.2
Qbik, WinGate, 5.2.2
Qbik, WinGate, 5.0.0
Qbik, WinGate, 5.0.1
Qbik, WinGate, 5.1
Qbik, WinGate, 4.5.2
Qbik, WinGate, 4.5.0, Beta_a
Qbik, WinGate, 4.5.0, Beta_b
Qbik, WinGate, 4.5.1
Qbik, WinGate, 4.4.2
Qbik, WinGate, 4.4.0
Qbik, WinGate, 4.4.1
Qbik, WinGate, 4.4.0, Beta_a
Qbik, WinGate, 4.3.0, Beta_a
Qbik, WinGate, 4.3.0, Beta_b
Qbik, WinGate, 4.3.0
Qbik, WinGate, 4.1.0
Qbik, WinGate, 4.1.1
Qbik, WinGate, 4.2.0



Arrow  Advisory Content :  

----------------------------------------
Synopsis
----------------------------------------
WinGate is vulnerable to denial-of-service (DoS) attacks caused
probably by a resource exhaustion vulnerability.
The IMAP server ceases to provide access to its clients after
processing a LIST command with a large parameter (see details bellow).

Product: WinGate
Version: 6.2.2 and probably the older versions
Vendor: Qbik (www.wingate.com)
Type: Denial-of-service
Risk: service disruption
Remote: Yes
Discovered by: João Antunes (AJECT -- Attack Injection Tool) on
14/May/
2008
Exploit: Not Available
Solution: Not Available
Status: Developers were contacted several times since the
vulnerability was discovered.

----------------------------------------
Vulnerability Description
----------------------------------------
The vulnerability can be triggered by sending the following messages
to the imap server:
A01 LOGIN <user> <password>
A02 LIST Ax1000 *

Depending on the server's resources, it may be required to repeat the

above exploit to deplete its resources. (in a 512MB RAM configuration,
the exploit was executed twice)
The above exploit caused the server to reject all subsequent
connections with a "NO access denied" reply thus resulting in a remote
denial of service.



Arrow  References :

http://www.securitytracker.com/id?1020644
http://www.securityfocus.com/bid/30606
http://www.securityfocus.com/archive/1/archive/1/495264/100/0/threaded
http://secunia.com/advisories/31442




Arrow  Feedback :

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