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.
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.
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.