TippingPoint Zero Day Initiative

CA BrightStor ArcServe Media Server Multiple Buffer Overflow Vulnerabilities

ZDI-07-022: April 24th, 2007


Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 5211. For further product information on the TippingPoint IPS:

Vulnerability Details

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

The specific flaw exists in the SUN RPC service which binds to a randomly chosen high TCP port. The target port can be obtained by querying the port mapper. Multiple stack-based buffer overflows exist during the parsing of malformed RPC strings. Exploitation of these overflows can result in arbitrary code execution.

Vendor Response

Computer Associates has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2007-03-08 - Vulnerability reported to vendor
    2007-04-24 - Coordinated public release of advisory


This vulnerability was discovered by:
    Tenable Network Security