ZDI-12-138 : SAP Business Objects Financial Consolidation CtAppReg.dll username Remote Code Execution Vulnerability

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ZDI-12-138 : SAP Business Objects Financial Consolidation CtAppReg.dll
username Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-138
August 17, 2012

• – CVE ID:

• – CVSS:
  7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P

• – Affected Vendors:
  SAP

• – Affected Products:
  SAP Business Objects Financial Consolidation

• – Vulnerability Details:
  This vulnerability allows remote attackers to execute arbitrary code on
  vulnerable installations of SAP Business Objects Financial Consolidation.
  User interaction is required to exploit this vulnerability in that the
  target must visit a malicious page or open a malicious file.

The specific flaw exists within CtAppReg.dll. In the Check function, there
is a vulnerability in the handling of the username parameter. If an overly
long string is used as the username, it can overwrite heap memory. A
remote attacker can exploit this vulnerability to execute arbitrary code
under the context of the process.

• – Vendor Response:
  SAP has issued an update to correct this vulnerability. More details can be
  found at:
  https://service.sap.com/sap/support/notes/1685003

• – Disclosure Timeline:
  2011-11-04 - Vulnerability reported to vendor
  2012-08-17 - Coordinated public release of advisory

• – Credit:
  This vulnerability was discovered by:

• Anonymous

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