TPTI-09-06: Microsoft Windows Workstation Service NetrGetJoinInformation Heap Corruption Vulnerability http://dvlabs.tippingpoint.com/advisory/TPTI-09-06 August 11, 2009 -- CVE ID: CVE-2009-1544 -- Affected Vendors: Microsoft -- Affected Products: Microsoft Windows Server 2008 Microsoft Windows Vista Microsoft Windows Server 2003 Microsoft Windows XP SP3 -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 8386. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. Valid user credentials are required to exploit this vulnerability. The specific flaw exists in the Workstation RPC Service. When handling the arguments for the NetrGetJoinInformation function, memory is improperly freed and can lead to remote code execution. Successful exploitation can lead to a remote system compromise under SYSTEM credentials. -- Vendor Response: Microsoft has issued an update to correct this vulnerability. More details can be found at: http://www.microsoft.com/technet/security/bulletin/MS09-041.mspx -- Disclosure Timeline: 2009-05-11 - Vulnerability reported to vendor 2009-08-11 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Cody Pierce, TippingPoint DVLabs
