bugtraq - ZDI-10-181: IBM TSM FastBack Server ActivateLTScriptReply Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104BE557251@emb01.unity.local>
Date: Wed, 29 Sep 2010 18:26:29 -0500
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "Full Disclosure (full-disclosure@...ts.grok.org.uk)" <full-disclosure@...ts.grok.org.uk>,
	"Bugtraq (bugtraq@...urityfocus.com)" <bugtraq@...urityfocus.com>
Subject: ZDI-10-181: IBM TSM FastBack Server ActivateLTScriptReply Remote
 Code Execution Vulnerability

ZDI-10-181: IBM TSM FastBack Server ActivateLTScriptReply Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-181
September 29, 2010

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

-- Affected Vendors:
IBM

-- Affected Products:
IBM Tivoli Storage Manager FastBack

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 9866. 
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 IBM Tivoli FastBack Server. Authentication
is not required to exploit this vulnerability.

The specific flaw exists within FastBackServer.exe which listens by
default on tcp port 11406. The issue is due to a memcpy within the
_AGI_S_ActivateLTScriptReply function. The process trusts a
user-supplied length and copies user-supplied data to a fixed length
buffer located on the stack. Successful exploitation leads to remote
code execution under the context of the fastback server.

-- Vendor Response:
IBM states:
http://www.ibm.com/support/docview.wss?uid=swg21443820
Issue 2

-- Disclosure Timeline:
2010-01-22 - Vulnerability reported to vendor
2010-09-29 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Sebastian Apelt (www.siberas.de)

-- About the Zero Day Initiative (ZDI):
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