bugtraq - ZDI-11-171: Sybase OneBridge Mobile Data Suite Format String Remore Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B57633EEF5B@GVW0442EXB.americas.hpqcorp.net>
Date: Fri, 3 Jun 2011 16:14:12 +0000
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>,
	"'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-11-171: Sybase OneBridge Mobile Data Suite Format String Remore
 Code Execution Vulnerability

ZDI-11-171: Sybase OneBridge Mobile Data Suite Format String Remore Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-171

June 3, 2011

-- CVSS:
10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)

-- Affected Vendors:
Sybase

-- Affected Products:
Sybase OneBridge

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 11288. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Sybase OneBridge Mobile Data Suite.
Authentication is not required to exploit this vulnerability.

The specific flaw exists within the iMailGatewayService server process
(ECTrace.dll) which listens for encrypted requests by default on TCP
port 993 (IMAP) and port 587 (SMTP). The process fails to properly
sanitize malformed user string inputs before passing to the
authentication logging function. By providing a specially crafted string
with format specifiers this can be leveraged to trigger a format string
vulnerability which can lead to arbitrary code execution in the context
of the server process. 

-- Vendor Response:
Sybase has issued an update to correct this vulnerability. More
details can be found at:
http://www.sybase.com/detail?id=1092074

-- Disclosure Timeline:
2011-01-21 - Vulnerability reported to vendor
2011-06-03 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Luigi Auriemma

-- About the Zero Day Initiative (ZDI):
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