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scponly Security Bypass Arbitrary Command Execution Vulnerability

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Release Date:  2004-12-03    Last Update:  2004-12-10    Views:  10,193

Secunia Advisory SA13364

Where:

Local system

Impact:

Security Bypass

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Jason Wies has reported a vulnerability in scponly, which can be exploited by malicious users to bypass certain security restrictions.

The problem is that some of the predefined applications support flags, which allow command execution. This can be exploited to bypass the shell restriction and execute arbitrary commands.

The following applications are reportedly affected:
* scp -S [command]
* rsync -e [command]
* unison -rshcmd [command]
* unison -sshcmd [command]

The vulnerability affects versions prior to 4.0.


Solution:
Upgrade to version 4.0:

Further details available to Secunia VIM customers

Provided and/or discovered by:
Jason Wies

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: scponly Security Bypass Arbitrary Command Execution Vulnerability

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