HP 3COM/H3C Intelligent Management Center dbman sprintf Remote Code Execution Vulnerability

May 10th, 2011
ZDI-11-162 ZDI-CAN-1012

CVE ID

CVE-2011-1850

CVSS Score

10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors

Hewlett-Packard

Affected Products

H3C Intelligent Management Center

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of HP 3com/H3C Intelligent Management Center. Authentication is not required to exploit this vulnerability.

The flaw exists within the dbman.exe component which listens by default on UDP port 2810. When logging received actions to dbman_debug.log sprintf is used to build the log message. The process does not properly verify the destination buffer on the stack is of sufficient size to handle the newly created string. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM user.

Additional Details

Hewlett-Packard has issued an update to correct this vulnerability. More details can be found at:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02822750

Disclosure Timeline

  • 2010-12-01 - Vulnerability reported to vendor
  • 2011-05-10 - Coordinated public release of advisory

Credit

Luigi Auriemma
AbdulAziz Hariri

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