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[ GLSA 200710-20 ] PDFKit, ImageKits: Buffer overflow
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Joined: 12 May 2004
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PostPosted: Fri Oct 19, 2007 12:26 am    Post subject: [ GLSA 200710-20 ] PDFKit, ImageKits: Buffer overflow Reply with quote

Gentoo Linux Security Advisory

Title: PDFKit, ImageKits: Buffer overflow (GLSA 200710-20)
Severity: normal
Exploitable: remote
Date: October 18, 2007
Bug(s): #188185
ID: 200710-20


PDFKit and ImageKits are vulnerable to an integer overflow and a stack
overflow allowing for the user-assisted execution of arbitrary code.


PDFKit is a framework for rendering of PDF content in GNUstep
applications. ImageKits is a collection of frameworks to support
imaging in GNUstep applications.

Affected Packages

Package: gnustep-libs/pdfkit
Vulnerable: <= 0.9_pre062906
Architectures: All supported architectures

Package: gnustep-libs/imagekits
Vulnerable: <= 0.6
Architectures: All supported architectures


Maurycy Prodeus discovered an integer overflow vulnerability possibly
leading to a stack-based buffer overflow in the XPDF code which PDFKit
is based on. ImageKits also contains a copy of PDFKit.


By enticing a user to view a specially crafted PDF file with a viewer
based on ImageKits or PDFKit such as Gentoo's ViewPDF, a remote
attacker could cause an overflow, potentially resulting in the
execution of arbitrary code with the privileges of the user running the


There is no known workaround at this time.


PDFKit and ImageKits are not maintained upstream, so the packages were
masked in Portage. We recommend that users unmerge PDFKit and
# emerge --unmerge gnustep-libs/pdfkit
    # emerge --unmerge gnustep-libs/imagekits

As an alternative, users should upgrade their systems to use PopplerKit
instead of PDFKit and Vindaloo instead of ViewPDF.


GLSA 200709-12

Last edited by GLSA on Mon Jun 10, 2013 4:26 am; edited 1 time in total
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