Advisory Details

August 14th, 2008

OpenLDAP BER Decoding Remote DoS Vulnerability

CVE ID	CVE-2008-2952
CVSS SCORE
AFFECTED VENDORS	OpenLDAP Foundation
AFFECTED PRODUCTS	OpenLDAP
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['6237']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to deny services on vulnerable installations of OpenLDAP. Authentication is not required to exploit this vulnerability. The specific flaw exists in the decoding of ASN.1 BER network datagrams. When the size of a BerElement is specified incorrectly, the application will trigger an assert(), leading to abnormal program termination.
ADDITIONAL DETAILS	OpenLDAP Foundation has issued an update to correct this vulnerability. More details can be found at: http://www.openldap.org/software/release/changes.html
DISCLOSURE TIMELINE	2008-06-26 - Vulnerability reported to vendor 2008-08-14 - Coordinated public release of advisory
CREDIT	Oscar Mira-Sanchez

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