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Gentoo Linux Security Advisory GLSA 200408-14 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: acroread: UUDecode filename buffer overflow |
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Date: August 15, 2004 |
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Bugs: #60205 |
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ID: 200408-14 |
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Synopsis |
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======== |
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|
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acroread contains two errors in the handling of UUEncoded filenames |
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that may lead to execution of arbitrary code or programs. |
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|
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Background |
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========== |
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|
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acroread is Adobe's Acrobat PDF reader for Linux. |
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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/acroread <= 5.08 >= 5.09 |
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|
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Description |
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=========== |
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|
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acroread contains two errors in the handling of UUEncoded filenames. |
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First, it fails to check the length of a filename before copying it |
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into a fixed size buffer and, secondly, it fails to check for the |
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backtick shell metacharacter in the filename before executing a command |
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with a shell. |
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|
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Impact |
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====== |
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|
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By enticing a user to open a PDF with a specially crafted filename, an |
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attacker could execute arbitrary code or programs with the permissions |
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of the user running acroread. |
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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. All users are encouraged to |
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upgrade to the latest available version of acroread. |
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|
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Resolution |
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========== |
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All acroread users should upgrade to the latest version: |
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# emerge sync |
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# emerge -pv ">=app-text/acroread-5.09" |
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# emerge ">=app-text/acroread-5.09" |
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|
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References |
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========== |
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|
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[ 1 ] iDEFENSE Advisory 125 |
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http://idefense.com/application/poi/display?id=125&type=vulnerabilities |
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[ 2 ] iDEFENSE Advisory 126 |
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http://idefense.com/application/poi/display?id=126&type=vulnerabilities |
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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-200408-14.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 2004 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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http://creativecommons.org/licenses/by-sa/1.0 |
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