Advisory Details

July 10th, 2008

Novell eDirectory dhost Integer Overflow Code Execution Vulnerability

CVE ID	CVE-2008-3159
CVSS SCORE
AFFECTED VENDORS	Novell
AFFECTED PRODUCTS	eDirectory
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['5946']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Novell eDirectory. Authentication is not required to exploit this vulnerability. The specific flaw exists within dhost.exe, bound by default to TCP port 524. Flawed arithmetic applied to a user-supplied value results in an integer overflow and subsequently a complete stack smash allowing an attacker to execute arbitrary code via SEH redirection.
ADDITIONAL DETAILS	Novell has issued an update to correct this vulnerability. More details can be found at: http://www.novell.com/support/search.do?cmd=displayKC&sliceId=SAL_Public&externalId=3694858
DISCLOSURE TIMELINE	2007-12-04 - Vulnerability reported to vendor 2008-07-10 - Coordinated public release of advisory
CREDIT	Sebastian Apelt (webmaster@buzzworld.org)

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