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>> Webmin and Usermin "miniserv.pl" Remote Format String Vulnerability

Title : Webmin and Usermin "miniserv.pl" Remote Format String Vulnerability
VUPEN ID : VUPEN/ADV-2005-2660
CVE ID : CVE-2005-3912
Rated as : High Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2005-11-29


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Webmin and Usermin, which could be exploited by remote attackers to cause a denial of service or potentially execute arbitrary commands. This flaw is due to a format string error in "miniserv.pl" when logging failed authentication attempts via syslog, which could be exploited by remote unauthenticated attackers to crash and possibly compromise a vulnerable server by supplying a specially crafted username to the web administration interface (port 10000).

Affected Products

Webmin versions prior to 1.250
Usermin versions prior to 1.180

Solution

Upgrade to Webmin 1.250 :
http://www.webmin.com/download.html
Upgrade to Usermin 1.180 :
http://www.webmin.com/udownload.html

References

http://www.vupen.com/english/advisories/2005/2660
http://www.frsirt.com/english/reference/1547
http://www.webmin.com/changes-1.250.html
http://www.webmin.com/uchanges-1.180.html

Credits

Vulnerability reported by Dyad Security

ChangeLog

2005-11-29 : Initial release

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