HP 3COM/H3C Intelligent Management Center tftpserver WRQ Remote Code Execution Vulnerability

May 10th, 2011
ZDI-11-161 ZDI-CAN-1011

CVE ID

CVE-2011-1849

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 H3C Intelligent Management Center. Authentication is not required to exploit this vulnerability.

The flaw exists within the tftpserver.exe component which listens by default on UDP port 69. When handling WRQ opcode types the server allows arbitrary file creation. Additionally, the server is configured to truncate/overwrite existing files. This process is owned by the SYSTEM user. 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

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