CCBill Input Validation Flaw in 'whereami.cgi' Script Permits Remote Operating System Command Execution
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SecurityTracker Alert ID: 1007100 |
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SecurityTracker URL: http://securitytracker.com/id/1007100
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Jul 3 2003
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Impact:
Execution of arbitrary code via network, User access via network
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Exploit Included: Yes
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Description:
A vulnerability was reported in the CCBill credit card processing software. A remote user can execute arbitrary commands on the target system.
It is reported that the 'whereami.cgi' script in the 'ccbill' directory lets a remote user submit commands to be executed by the target web server. A demonstration exploit is provided:
http://victimhost/ccbill/whereami.cgi?g=cat%20../../../../etc/password
According to the report, some web sites using the software have been successfully penetrated.
The report also indicates that other CCBill scripts contain vulnerabilities [but these were not specifically identified in the report].
The vendor has reportedly been notified.
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Impact:
A remote user can execute arbitrary shell commands on the target system with the privileges of the web server.
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Solution:
No solution was available at the time of this entry.
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Vendor URL: about.ccbill.com/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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Date: Thu, 3 Jul 2003 15:49:05 -0400
Subject: [Full-Disclosure] Vulnerability in CCBill script
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Recently there are many hacking attempts attacking E-commerce site
that use CCBILL to precess credit cards. Some of my clients sites are
hacked and defaced by this vulnerability. In the Incidents List,
some people already mention about it. I just take a look at the
actual problem and figure out that the vulnerability is at the whereami.cgi
in the /ccbill/ directory. That script allow attackers to run commands
without authorization.
Example :
http://victimhost/ccbill/whereami.cgi?g=cat%20../../../../etc/password
I already sent an email to CCbill and ask them to alert their clients
to remove that scripts ASAP because of the mass defacing contest in July
6th.
There are also many other vulnerabilities in their other scripts too. If you
want to have fun, just do some research. :-)
Have a good day
Tri Huynh
SentryUnion
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