TippingPoint Zero Day Initiative

Dell NetVault Backup Heap Buffer Overflow Remote Code Execution Vulnerability

ZDI-15-240: May 26th, 2015


CVSS Score

Affected Vendors


Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 19454. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Dell NetVault Backup. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the libnv6 module. By manipulating a serialized object's template string specifiers, an attacker can cause an integer overflow resulting in an undersized allocation and eventually a heap overflow. An attacker can leverage this vulnerability to execute code under the context of SYSTEM.

Vendor Response

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

Disclosure Timeline

    2015-02-05 - Vulnerability reported to vendor
    2015-05-26 - Coordinated public release of advisory


This vulnerability was discovered by: