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Date: Tue, 23 Feb 2010 16:22:55 -0600
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-10-020: EMC HomeBase SSL Service Arbitrary File Upload Remote
 Code Execution Vulnerability

ZDI-10-020: EMC HomeBase SSL Service Arbitrary File Upload Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-020
February 23, 2010

-- CVE ID:
CVE-2010-0620

-- Affected Vendors:
EMC

-- Affected Products:
EMC HomeBase Server

-- Vulnerability Details:
This vulnerability allows remote attackers to upload arbitrary files on
vulnerable installations of EMC HomeBase Server. Authentication is not
required to exploit this vulnerability.

The specific flaw exists within the HomeBase SSL Service due to a
failure to sanitize '../' directory traversal modifiers from a
parameter. This will allow a user to specify any filename to upload
arbitrary contents into. Successful exploitation can result in code
execution under the context of the service.

-- Vendor Response:
EMC states:
EMC has released a Security Alert (ESA) identifier to customers through
Powerlink.

-- Disclosure Timeline:
2009-12-10 - Vulnerability reported to vendor
2010-02-23 - 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/

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