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ZDI-10-024: Novell eDirectory SOAP Request Parsing Denial of Service Vulnerability
From: ZDI Disclosures <zdi-disclosures () tippingpoint com>
Date: Tue, 2 Mar 2010 14:55:23 -0600

ZDI-10-024: Novell eDirectory SOAP Request Parsing Denial of Service Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-024
March 2, 2010

-- Affected Vendors:
Novell

-- Affected Products:
Novell eDirectory

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 8289. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to deny services on
vulnerable installations of Novell eDirectory Server. Authentication is
not required to exploit this vulnerability.

The specific flaw exists within the NDS daemon's SOAP service. When a
malformed request is made to the novell.embox.connmgr.serverinfo SOAP
action, the daemon makes an illegal reference thereby resulting in a
denial of service.


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

http://www.novell.com/support/viewContent.do?externalId=7005341

-- Disclosure Timeline:
2009-03-13 - Vulnerability reported to vendor
2010-03-02 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * 1c239c43f521145fa8385d64a9c32243

-- 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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