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Gentoo Linux Security Advisory GLSA 200801-01 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: unp: Arbitrary command execution |
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Date: January 09, 2008 |
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Bugs: #203106 |
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ID: 200801-01 |
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Synopsis |
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======== |
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unp allows execution of arbitrary code via malicious file names. |
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Background |
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========== |
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unp is a script for unpacking various file formats. |
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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/unp < 1.0.14 >= 1.0.14 |
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Description |
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=========== |
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|
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Erich Schubert from Debian discovered that unp does not escape file |
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names properly before passing them to calls of the shell. |
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Impact |
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====== |
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|
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A remote attacker could entice a user or automated system to unpack a |
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compressed archive with a specially crafted file name, leading to the |
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execution of shell commands from within the filename. That code will be |
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executed with the privileges of the user running unp. |
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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 unp users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-arch/unp-1.0.14" |
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References |
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========== |
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[ 1 ] CVE-2007-6610 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6610 |
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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-200801-01.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 2008 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/2.5 |
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