Vulnerability Note VU#538191

Ghostscript crashes when passing a null ipsp->ip value to the gs_type2_interpret function

Overview

The gs_type2_interpret function which is a part of Ghostscript is prone to denial-of-service conditions.

I. Description

Ghostscript contains a function called gs_type2_interpret which is not performing null value error checking. A specially crafted document can cause Ghostscript to deference a null pointer, causing a denial-of-service condition.

II. Impact

An attacker may use a specially crafted document to cause a denial-of-service condition.

III. Solution

Upgrade

According to the vendor's release notes this has been fixed in revision 10590.

Vendor Information

Vendor	Status	Date Notified	Date Updated
Artifex Software, Inc.	Affected	2010-07-29	2010-10-12

References

Credit

Thanks to Jonathan Brossard at P1 Code Security for reporting this vulnerability.

This document was written by Michael Orlando.

Other Information

Date Public:	2010-01-06
Date First Published:	2010-10-12
Date Last Updated:	2010-11-30
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Severity Metric:	0.36
Document Revision:	22