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OpenSSH scp Command Line Shell Command Injection
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Secunia Advisory:
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SA18579
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Release Date:
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2006-01-24
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Last Update:
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2006-02-13
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Popularity:
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25,254 views
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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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| Software: | OpenSSH 3.x
OpenSSH 4.x
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| CVE reference: | CVE-2006-0225
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Description:
Josh Bressers has reported a weakness in OpenSSH, which potentially can be exploited by malicious, local users to perform certain actions with escalated privileges.
The weakness is caused due to the insecure use of the "system()" function in scp when performing copy operations using filenames that are supplied by the user from the command line. This can be exploited to execute shell commands with privileges of the user running scp.
Successful exploitation requires that the user is e.g. tricked into using scp to copy a file with a specially crafted filename.
The weakness has been confirmed in version 4.2p1. Other versions may also be affected.
Solution:
The weakness has been fixed in version 4.3p1.
Provided and/or discovered by:
Josh Bressers
Changelog:
2006-02-13: Updated "Solution" section.
Original Advisory:
Red Hat Bugzilla:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174026
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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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