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PEAR Archive_Tar Directory Traversal Vulnerability
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Secunia Advisory:
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SA19011
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Release Date:
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2006-02-24
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Last Update:
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2006-03-02
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Popularity:
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6,633 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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Unpatched
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| Software: | PEAR Archive_Tar 1.x
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| CVE reference: | CVE-2006-0931
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Description:
Hamid Ebadi has discovered a vulnerability in PEAR Archive_Tar, which potentially 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 files. This makes it possible to have files extracted to arbitrary locations outside the specified directory using the "../" directory traversal sequence.
The vulnerability has been confirmed in version 1.3.1 and reported in version 1.2. Other versions may also be affected.
Solution:
Do not extract untrusted TAR files.
To reduce the risk, never extract files as a root user.
Provided and/or discovered by:
Hamid Ebadi
Changelog:
2006-03-02: Added CVE reference.
Original Advisory:
http://hamid.ir/security/phptar.txt
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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