TippingPoint Zero Day Initiative
 

SAP Crystal Reports crystalras.exe OBUnmarshal Remote Code Execution Vulnerability

ZDI-12-139: August 17th, 2012

CVSS Score

Affected Vendors

Affected Products

    Crystal Reports

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of SAP Crystal Reports. Authentication is not required to exploit this vulnerability.

The flaw exists within the ebus-3-3-2-7.dll component which is used by the crystalras.exe service. This process listens on a random TCP port. When unmarshalling GIOP ORB encapsulated data the process invokes a memcpy constrained by a user controlled value. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM user.

Vendor Response

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

Disclosure Timeline

    2011-11-21 - Vulnerability reported to vendor
    2012-08-17 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    e6af8de8b1d4b2b6d5ba2610cbf9cd38