TippingPoint Zero Day Initiative
 

Panasonic FPWIN Pro ReleaseBuffer Integer Overflow Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-16-335: May 11th, 2016

CVE ID

CVSS Score

Affected Vendors

Affected Products

    FPWIN Pro

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 23795. For further product information on the TippingPoint IPS:

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Panasonic FPWIN Pro. 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 processing of a project file. A specially-crafted project file will lead to a write beyond the end of a heap buffer in the ReleaseBuffer method of the CString object due to a confusion between signed and unsigned integers in the GetBlockFromStream method of the CSCString object. An attacker can leverage this vulnerability to attain code execution under the context of the current process.

Vendor Response

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

Disclosure Timeline

    2016-01-19 - Vulnerability reported to vendor
    2016-05-11 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Steven Seeley of Source Incite