bugtraq - ZDI-12-159 : EMC AutoStart ftAgent Opcode 0x14 Subcode 0x7e7 Parsing Remote Code Execution Vulnerability

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Message-ID: <04F9AFDCA6560B42B91DB1A429B7D0DE05532ECA@G1W3778.americas.hpqcorp.net>
Date: Wed, 22 Aug 2012 16:25:03 +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>
CC: ZDI Disclosures <zdi-disclosures@...com>
Subject: ZDI-12-159 :  EMC AutoStart ftAgent Opcode 0x14 Subcode 0x7e7
 Parsing Remote Code Execution Vulnerability

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ZDI-12-159 :  EMC AutoStart ftAgent Opcode 0x14 Subcode 0x7e7 Parsing
Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-159
August 22, 2012

- -- CVE ID:
CVE-2012-0409 

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

- -- Affected Vendors:
EMC

- -- Affected Products:
EMC AutoStart

- -- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 12435.
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 the EMC Autostart ftAgent, which is deployed on
machines managed by EMC Autostart by default. Authentication is not
required to exploit this vulnerability. 

The specific flaw exists within the parsing routines for op-codes used by
EMC Autostart ftAgent's proprietary network protocol. This ftAgent.exe
service listens on TCP port 8045, and performs arithmetic for memory size
calculation using values read from the network without validation. This
arithmetic is susceptible to integer overflow, causing the memory
allocation to be undersized, ultimately allowing for heap-based memory
corruption. An attacker can exploit this condition to gain remote code
execution as user SYSTEM.

- -- Vendor Response:
EMC has issued an update to correct this vulnerability. More details can be
found at:
http://www.securityfocus.com/archive/1/522835/30/0/threaded

- -- Disclosure Timeline:
2012-01-12 - Vulnerability reported to vendor
2012-08-22 - Coordinated public release of advisory

- -- Credit:
This vulnerability was discovered by:
* gwslabs.com

- -- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents 
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

    http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

    http://twitter.com/thezdi

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