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GNU tar Directory Traversal Vulnerability
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Secunia Advisory:
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SA26573
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Release Date:
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2007-08-24
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Last Update:
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2007-08-29
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Popularity:
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7,836 views
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Critical:
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Less critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | GNU Tar 1.x
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| CVE reference: | CVE-2007-4131
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Description:
A vulnerability has been reported in GNU tar, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to an input validation error when extracting tar archives. This can be exploited to extract files to arbitrary locations outside the specified directory with the permissions of the user running GNU tar by using the "//.." directory traversal sequence in a specially crafted tar archive.
The vulnerability is reported in version 1.18. Other versions may also be affected.
Solution:
Fixed in the CVS repository.
Provided and/or discovered by:
Red Hat credits Dmitry V. Levin.
Changelog:
2007-08-29: Updated "Description" with additional information.
Original Advisory:
http://rhn.redhat.com/errata/RHSA-2007-0860.html
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