Created attachment 337627 [details] PoC proving presence of the flaw
A buffer overflow flaw was found in Ghostscript's BaseFont writer module for pdfwrite device. An attacker could create a specially-crafted Postscript file which could cause ps2pdf to crash, or, potentially execute arbitrary code, when ps2pdf was used to convert it to equivalent PDF file. References: http://bugs.ghostscript.com/show_bug.cgi?id=690211 http://svn.ghostscript.com/viewvc?view=rev&sortby=rev&revision=9304
Common Vulnerabilities and Exposures assigned an identifier CVE-2008-6679 to the following vulnerability: Buffer overflow in the BaseFont writer module in Ghostscript 8.62, and possibly other versions, allows remote attackers to cause a denial of service (ps2pdf crash) and possibly execute arbitrary code via a crafted Postscript file.
This issue has been addressed in following products: Red Hat Enterprise Linux 5 Via RHSA-2009:0421 https://rhn.redhat.com/errata/RHSA-2009-0421.html
ghostscript-8.63-3.fc9 has been submitted as an update for Fedora 9. http://admin.fedoraproject.org/updates/ghostscript-8.63-3.fc9
ghostscript-8.63-6.fc10 has been pushed to the Fedora 10 stable repository. If problems still persist, please make note of it in this bug report.
ghostscript-8.63-3.fc9 has been pushed to the Fedora 9 stable repository. If problems still persist, please make note of it in this bug report.