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Gentoo Linux Security Advisory GLSA 200603-06 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: GNU tar: Buffer overflow |
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Date: March 10, 2006 |
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Bugs: #123038 |
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ID: 200603-06 |
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Synopsis |
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======== |
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|
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A malicious tar archive could trigger a Buffer overflow in GNU tar, |
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potentially resulting in the execution of arbitrary code. |
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Background |
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========== |
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|
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GNU tar is the standard GNU utility for creating and manipulating tar |
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archives, a common format used for creating backups and distributing |
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files on UNIX-like systems. |
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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-arch/tar < 1.15.1-r1 >= 1.15.1-r1 |
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|
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Description |
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=========== |
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|
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Jim Meyering discovered a flaw in the handling of certain header fields |
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that could result in a buffer overflow when extracting or listing the |
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contents of an archive. |
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|
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Impact |
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====== |
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|
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A remote attacker could construct a malicious tar archive that could |
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potentially execute arbitrary code with the privileges of the user |
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running GNU tar. |
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All GNU tar users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-arch/tar-1.15.1-r1" |
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References |
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========== |
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[ 1 ] CVE-2006-0300 |
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http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0300 |
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Availability |
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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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http://security.gentoo.org/glsa/glsa-200603-06.xml |
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Concerns? |
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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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License |
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======= |
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Copyright 2006 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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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/2.0 |
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