Advisory Details

October 5th, 2006

CA Multiple Product Message Engine RPC Server Code Execution Vulnerability

ZDI-06-031
ZDI-CAN-046

CVE ID CVE-2006-5143
CVSS SCORE
AFFECTED VENDORS Computer Associates
AFFECTED PRODUCTS BrightStor ARCserve Server
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 4295, 4348. 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 Computer Associates BrightStor ARCserve Backup, Enterprise Backup, Server Protection Suite and Business Protection Suite. Authentication is not required to exploit this vulnerability.

The problem specifically exists within ASCORE.dll, a DLL used by the Message Engine RPC server. This service exposes a heap overflow vulnerability through RPC opcode 43 (0x2b) and a stack overflow vulnerability through RPC opcode 45 (0x2d) on TCP port 6503 endpoint with ID dc246bf0-7a7a-11ce-9f88-00805fe43838. The flaws are exposed when passing long strings as the second parameter to either opcode.

ADDITIONAL DETAILS Computer Associates has issued an update to correct this vulnerability. More details can be found at:
http://supportconnectw.ca.com/public/storage/infodocs/basbr-secnotice.asp
DISCLOSURE TIMELINE
  • 2006-04-07 - Vulnerability reported to vendor
  • 2006-10-05 - Coordinated public release of advisory
CREDIT livesploit.com
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