Advisory Details

January 11th, 2007

CA BrightStor ARCserve Backup Message Engine Buffer Overflow Vulnerability

ZDI-07-003
ZDI-CAN-129

CVE ID CVE-2007-0169
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 4871,4879. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Computer Associates BrightStor ARCserve Backup. User interaction is not required to exploit this vulnerability.

The specific flaws exists in the Message Engine RPC service which listens by default on TCP ports 6503 and 6504 with the following UUIDs:

dc246bf0-7a7a-11ce-9f88-00805fe43838
506b1890-14c8-11d1-bbc3-00805fa6962e

The service exposes buffer overflow vulnerabilities in the handlers for RPC opnums 0x2F and 0x75 that allow for arbitrary code execution when handling user-supplied data from the RPC request.

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/babimpsec-notice.asp
DISCLOSURE TIMELINE
  • 2006-11-08 - Vulnerability reported to vendor
  • 2007-01-11 - Coordinated public release of advisory
CREDIT Tenable Network Security
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