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Clam AntiVirus on Mac OS X Privilege Escalation Vulnerability
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Secunia Advisory:
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SA15542
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Release Date:
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2005-05-30
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Last Update:
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2005-06-02
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Critical:
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Not 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: | Apple Macintosh OS X
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| | Software: | Clam AntiVirus (clamav) 0.x
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| | CVE reference: | CVE-2005-1795 (Secunia mirror)
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Description:
Tim Morgan and Kevin Amorin have reported a vulnerability in Clam AntiVirus, which potentially can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to an input validation error in the "filecopy()" function in shared/misc.c when executing the external "ditto" utility. This can be exploited to execute arbitrary commands with the privileges of the Clam AntiVirus process via an infected file with a specially crafted filename containing shell meta-characters.
Successful exploitation requires that Clam AntiVirus has been configured to move files to a quarantine and that the move fails.
The vulnerability only affects Mac OS X systems.
Solution:
Update to version 0.84 or later.
Provided and/or discovered by:
Tim Morgan and Kevin Amorin
Changelog:
2005-06-02: Added CVE reference.
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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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