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HP-UX usermod Recursive Ownership Change Security Issue
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Secunia Advisory:
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SA19305
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Release Date:
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2006-03-20
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Last Update:
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2006-03-21
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Popularity:
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7,202 views
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Critical:
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Less critical
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Impact:
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Security Bypass
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Where:
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Local system
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Solution Status:
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Vendor Workaround
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| OS: | HP-UX 11.x
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| | CVE reference: | CVE-2006-1248
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Description:
A security issue has been reported in HP-UX, which potentially can be exploited by malicious people to bypass certain security restrictions.
The security issue is caused due to an error in the "usermod" command within the handling of the "-u" and "-m" commandline options. When "usermod" is used with these options, the ownership of all files and directories under the specified directory will be recursively changed to the specified user unintentionally.
The security issue has been reported in HP-UX B.11.00, B.11.11, and B.11.23, with the PHCO_29269, PHCO_30275, or PHCO_32181 patches installed.
Solution:
Apply patch.
http://itrc.hp.com
HP-UX B.11.11:
Install PHCO_33142 or later and verify file/directory ownership.
HP-UX B.11.00 / B.11.23:
Avoid using "usermod" with the affected commandline options and verify file/directory ownership.
Provided and/or discovered by:
Reported by vendor.
Changelog:
2006-03-21: Added CVE reference.
Original Advisory:
HPSBUX02102 SSRT051078:
http://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00614838
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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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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