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TITLE:
eWire Payment Client "paymentinfo" Arbitrary Command Execution

SECUNIA ADVISORY ID:
SA26780

VERIFY ADVISORY:
http://secunia.com/advisories/26780/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
eWire Payment Client 1.x
http://secunia.com/product/15745/

DESCRIPTION:
A vulnerability has been reported in eWire Payment Client, which can
be exploited by malicious people to compromise a vulnerable system.

Input passed to the "paymentinfo" argument is not properly sanitised
in ewirepcfunctions.php before being used as a command line argument
in a call to "popen()". This can be exploited to execute arbitrary
shell commands.

The vulnerability is reported in versions 1.60 and 1.70. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Discovered as a 0-day.

OTHER REFERENCES:
http://www.fortconsult.net/images/pdf/advisory_feb2007.pdf

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About:
This Advisory was delivered by Secunia as a free service to help
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vulnerabilities.

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Definitions: (Criticality, Where etc.)
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Please Note:
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Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
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