TippingPoint Zero Day Initiative
 

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

ZDI-11-164: May 10th, 2011

CVE ID

CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 10905. For further product information on the TippingPoint IPS:

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 tftpserver.exe component which listens by default on UDP port 69. When handling a TFTP packet type 0x03 or 0x05 (DATA or ERROR) the process blindly copies user supplied data into a fixed-length buffer on the stack. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM user.

Vendor Response

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

Disclosure Timeline

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

Credit

This vulnerability was discovered by:
    Luigi Auriemma