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GLSA 200411-16: zip: Path name buffer overflow
Posted by Philipp Esselbach on: 11/09/2004 05:55 PM [ Print | 0 comment(s) ]
A zip security update is available for Gentoo Linux
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Gentoo Linux Security Advisory GLSA 200411-16
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http://security.gentoo.org/
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Severity: Normal
Title: zip: Path name buffer overflow
Date: November 09, 2004
Bugs: #70227
ID: 200411-16
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Synopsis
=======
zip contains a buffer overflow when creating a ZIP archive of files with very long path names. This could lead to the execution of arbitrary code.
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Gentoo Linux Security Advisory GLSA 200411-16
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http://security.gentoo.org/
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Severity: Normal
Title: zip: Path name buffer overflow
Date: November 09, 2004
Bugs: #70227
ID: 200411-16
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Synopsis
=======
zip contains a buffer overflow when creating a ZIP archive of files with very long path names. This could lead to the execution of arbitrary code.
Background
=========
zip is a compression and file packaging utility.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-arch/zip <= 2.3-r3 >= 2.3-r4
Description
==========
zip does not check the resulting path length when doing recursive folder compression.
Impact
=====
An attacker could exploit this by enticing another user or web application to create an archive including a specially-crafted path name, potentially resulting in the execution of arbitrary code with the permissions of the user running zip.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All zip users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/zip-2.3-r4"
References
=========
[ 1 ] HexView zip Advisory
http://www.hexview.com/docs/20041103-1.txt
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200411-16.xml
Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.
License
======
Copyright 2004 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.0
=========
zip is a compression and file packaging utility.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-arch/zip <= 2.3-r3 >= 2.3-r4
Description
==========
zip does not check the resulting path length when doing recursive folder compression.
Impact
=====
An attacker could exploit this by enticing another user or web application to create an archive including a specially-crafted path name, potentially resulting in the execution of arbitrary code with the permissions of the user running zip.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All zip users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/zip-2.3-r4"
References
=========
[ 1 ] HexView zip Advisory
http://www.hexview.com/docs/20041103-1.txt
Availability
===========
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200411-16.xml
Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.
License
======
Copyright 2004 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.0
