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OpenSSH scp Command Line Shell Command Injection
Secunia Advisory: SA18579
Release Date: 2006-01-24
Last Update: 2006-02-13
Popularity: 29,460 views

Critical:
Not critical
Impact: Privilege escalation
Where: Local system
Solution Status: Vendor Patch

Software:OpenSSH 3.x
OpenSSH 4.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

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.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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