[Full-disclosure] ZDI-12-118: EMC AutoStart ftAgent Opcode 0x03 Parsing Remote Code Execution Vulnerability



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ZDI-12-118: EMC AutoStart ftAgent Opcode 0x03 Parsing Remote Code Execution
Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-118
July 12, 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 EMC Autostart. Authentication is not required
to exploit this vulnerability.

The specific flaw exists within the ftAgent.exe service, which listens by
default on TCP port 8045. When handling messages with opcode 03 and subcode
04, the process performs arithmetic on an unvalidated user-supplied value
used to determine the size of a new heap buffer, allowing a potential
integer wrap to cause a heap buffer overflow. This vulnerability can be
leveraged to execute code under the context of the SYSTEM user.


- -- 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:
2011-11-29 - Vulnerability reported to vendor
2012-07-12 - Coordinated public release of advisory

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

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