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Gentoo Linux Security Advisory GLSA 200508-08 |
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http://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: Xpdf, Kpdf, GPdf: Denial of Service vulnerability |
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Date: August 16, 2005 |
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Bugs: #99769, #100263, #100265 |
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ID: 200508-08 |
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|
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Synopsis |
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======== |
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|
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Xpdf, Kpdf and GPdf may crash as a result of a Denial of Service |
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vulnerability. |
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|
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Background |
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========== |
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|
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Xpdf, Kpdf and GPdf are PDF file viewers that run under the X Window |
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System. Kpdf and GPdf both contain Xpdf code. Kpdf is also part of |
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kdegraphics. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 app-text/xpdf < 3.00-r10 >= 3.00-r10 |
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2 kde-base/kdegraphics < 3.3.2-r3 >= 3.3.2-r3 |
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3 kde-base/kpdf < 3.4.1-r1 >= 3.4.1-r1 |
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4 app-text/gpdf < 2.10.0-r1 >= 2.10.0-r1 |
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------------------------------------------------------------------- |
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4 affected packages on all of their supported architectures. |
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------------------------------------------------------------------- |
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|
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Description |
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=========== |
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|
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Xpdf, Kpdf and GPdf do not handle a broken table of embedded TrueType |
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fonts correctly. After detecting such a table, Xpdf, Kpdf and GPdf |
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attempt to reconstruct the information in it by decoding the PDF file, |
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which causes the generation of a huge temporary file. |
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|
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Impact |
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====== |
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|
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A remote attacker may cause a Denial of Service by creating a specially |
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crafted PDF file, sending it to a CUPS printing system (which uses |
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Xpdf), or by enticing a user to open it in Xpdf, Kpdf, or GPdf. |
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|
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Workaround |
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========== |
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|
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There is no known workaround at this time. |
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|
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Resolution |
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========== |
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|
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All Xpdf users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-text/xpdf-3.00-r10" |
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|
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All GPdf users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-text/gpdf-2.10.0-r1" |
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|
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All Kpdf users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=kde-base/kdegraphics-3.3.2-r3" |
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|
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All KDE Split Ebuild Kpdf users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=kde-base/kpdf-3.4.1-r1" |
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|
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References |
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========== |
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|
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[ 1 ] CAN-2005-2097 |
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http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2097 |
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|
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Availability |
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============ |
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|
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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|
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http://security.gentoo.org/glsa/glsa-200508-08.xml |
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|
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Concerns? |
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========= |
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|
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2005 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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http://creativecommons.org/licenses/by-sa/2.0 |