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Insecure Library Loading
Highly critical

Usermin Shell Command Injection and Insecure Installation Vulnerabilities

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Release Date:  2004-09-08    Last Update:  2005-02-15    Views:  17,475

Secunia Advisory SA12488

Where:

From remote

Impact:

Unknown, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Two vulnerabilities have been reported in Usermin, where the most critical can be exploited by malicious people to compromise a vulnerable system.

1) An input validation error within the web mail functionality can be exploited to inject arbitrary shell commands, which will be executed when a user views a specially crafted HTML mail.

Successful exploitation allows execution of arbitrary commands with the privileges of the Usermin user.

This vulnerability has been reported in Usermin 1.070 and 1.080.

2) Malicious, local users can exploit an unspecified error within the installation routine by creating the "/tmp/.webmin" directory before the installation routine does so.

This vulnerability affects both Usermin and Webmin.


Solution:
Update to version Usermin 1.090.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) Keigo Yamazaki
2) Ludwig Nussel

Original Advisory:
Usermin changelog:
http://www.webmin.com/uchanges.html

SNS:
http://www.lac.co.jp/security/csl/intelligence/SNSadvisory_e/77_e.html

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: Usermin Shell Command Injection and Insecure Installation Vulnerabilities

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