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IBM AIX chdev/mkdev/rmdev Format String Vulnerability
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Secunia Advisory:
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SA14173
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Release Date:
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2005-02-08
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Last Update:
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2005-02-21
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Popularity:
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7,403 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| OS: | AIX 5.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2005-0240
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Description:
iDEFENSE has reported a vulnerability in AIX, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to a format string errors in the chdev, mkdev, and rmdev utilities and can be exploited by supplying specially crafted arguments containing format specifiers.
Successful exploitation allows users in the system group to gain root privileges.
The vulnerability affects AIX 5.1, 5.2, and 5.3.
Solution:
Apply efixes:
ftp://aix.software.ibm.com/aix/efixes/security/dev_efix.tar.Z
APARs will also be released to address the vulnerability.
APAR for AIX 5.1.0:
IY67741 (available approx. 2005-03-23)
APAR for AIX 5.2.0:
IY67455 (available approx. 2005-04-15)
APAR for AIX 5.3.0:
IY67654 (available approx. 2005-04-15)
Provided and/or discovered by:
iDEFENSE Labs
Changelog:
2005-02-10: Added CVE reference.
2005-02-21: Vendor issues efixes.
Original Advisory:
IBM:
http://www-1.ibm.com/support/docview.wss?uid=isg1IY67455
iDEFENSE:
http://www.idefense.com/application/poi/display?id=192
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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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