‘Sun Microsystems Directory Server Enterprise ASN.1 Parsing Remote Code Execution Vulnerability’


This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Sun Microsystems Directory Service Manager.’


‘The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-10-074


Vulnerable Systems:
 * Sun Microsystems Directory Server

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.

Patch Availability:
Sun Microsystems has issued an update to correct this vulnerability. More details can be found at:

CVE Information:

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

Categories: UNIX