TippingPoint Zero Day Initiative

Symantec Ghost Out-Of-Bounds Indexing Remote Code Execution Vulnerability

ZDI-15-419: September 3rd, 2015


CVSS Score

Affected Vendors

Affected Products


Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Symantec Ghost. 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 the handling of Ghost images. The issue lies in sign-extending byte values from an array before using them as an index into an array, allowing for out-of-bounds access. An attacker can leverage this vulnerability to execute arbitrary code within the context of the current process.

Vendor Response

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

Disclosure Timeline

    2015-06-02 - Vulnerability reported to vendor
    2015-09-03 - Coordinated public release of advisory


This vulnerability was discovered by:
    Steven Seeley of Source Incite