full-disclosure - ZDI-10-074: Sun Microsystems Directory Server Enterprise ASN.1 Parsing Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104B7086949@emb01.unity.local>
Date: Tue, 13 Apr 2010 16:45:20 -0500
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-10-074: Sun Microsystems Directory Server
 Enterprise ASN.1 Parsing Remote Code Execution Vulnerability

ZDI-10-074: Sun Microsystems Directory Server Enterprise ASN.1 Parsing Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-074
April 13, 2010

-- CVE ID:
CVE-2010-0897

-- Affected Vendors:
Sun Microsystems

-- Affected Products:
Sun Microsystems Directory Server

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 9282. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows attackers to execute arbitrary code on
vulnerable installations of Sun Microsystems Directory Service Manager.
Authentication is not required to exploit this vulnerability.

The specific flaw exists within Sun Directory Server's LDAP
implementation and can be triggered via a malformed LDAP query to the
service. When the service decodes the malformed query, the application
will cause a buffer overflow which can lead to code execution under the
context of the service.

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

http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpuapr2010.html

-- Disclosure Timeline:
2009-10-27 - Vulnerability reported to vendor
2010-04-13 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

-- 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

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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
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