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TITLE:
PHP-Barcode "code" Command Execution Vulnerability

SECUNIA ADVISORY ID:
SA45367

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45367/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45367

RELEASE DATE:
2011-07-26

DISCUSS ADVISORY:
http://secunia.com/advisories/45367/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/45367/

ONLY AVAILABLE IN CUSTOMER AREA:
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 * Report Reliability
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https://ca.secunia.com/?page=viewadvisory&vuln_id=45367

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
beford has discovered a vulnerability in PHP-Barcode, which can be
exploited by malicious people to compromise a vulnerable system.

Input passed to the "code" parameter in php-barcode.php is not
properly sanitised before being used in a "popen()" function call.
This can be exploited to inject and execute arbitrary shell
commands.

Successful exploitation requires that $genbarcode_loc in
php-barcode.php is set to a valid value.

The vulnerability is confirmed in version 0.3pl1. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
beford

ORIGINAL ADVISORY:
http://www.exploit-db.com/exploits/17573/

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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