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Category:   Application (Generic)  >   Novell File Reporter Vendors:   Novell
Novell File Reporter Agent XML Parsing Bug Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1025292
SecurityTracker URL:  http://securitytracker.com/id/1025292
CVE Reference:   CVE-2011-0994   (Links to External Site)
Date:  Apr 5 2011
Impact:   Execution of arbitrary code via network, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 1.0.2
Description:   A vulnerability was reported in Novell File Reporter. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted XML data to the 'NFRAgent.exe' agent on TCP port 3037 to trigger a stack overflow and execute arbitrary code on the target system. The code will run with System privileges.

The vendor was notified on October 6, 2010.

Stephen Fewer of Harmony Security reported this vulnerability via TippingPoint.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix (1.0.2).

The vendor's advisory is available at:

http://download.novell.com/Download?buildid=rCAgCcbPH9s~

Vendor URL:  download.novell.com/Download?buildid=rCAgCcbPH9s~ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), Windows (2003), Windows (2008)

Message History:   None.


 Source Message Contents

Subject:  ZDI-11-116: Novell File Reporter Agent XML Parsing Remote Code Execution Vulnerability

ZDI-11-116: Novell File Reporter Agent XML Parsing Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-116

April 4, 2011

-- CVE ID:
CVE-2011-0994

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

-- Affected Vendors:
Novell

-- Affected Products:
Novell File Reporter

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10783. 
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 Novell File Reporter Agent. Authentication
is not required to exploit this vulnerability. 

The flaw exists within the NFRAgent.exe component which listens by
default on TCP port 3037. When handling the contents of an XML tag the
process blindly copies user supplied data into a fixed-length buffer on
the stack. A remote attacker can exploit this vulnerability to execute
arbitrary code under the context of the SYSTEM user.

-- Vendor Response:
Novell has issued an update to correct this vulnerability. More
details can be found at:

http://download.novell.com/Download?buildid=rCAgCcbPH9s~

-- Disclosure Timeline:
2010-10-06 - Vulnerability reported to vendor
2011-04-04 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Stephen Fewer of Harmony Security (www.harmonysecurity.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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