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TITLE:
Smarty "{smarty.template}" and "{smarty.current_dir}" Security Bypass

SECUNIA ADVISORY ID:
SA43284

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43284/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43284

RELEASE DATE:
2011-02-19

DISCUSS ADVISORY:
http://secunia.com/advisories/43284/#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/43284/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=43284

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:
Some vulnerabilities have been discovered in Smarty, which can be
exploited malicious people to bypass certain security restrictions.

The vulnerabilities are caused due to Smarty not properly sanitising
the filename or location of templates before using them. This can be
exploited to bypass the template security and execute arbitrary PHP
commands via an affected application relying on the template security
features by creating a template containing "{smarty.template}" with a
specially crafted filename or "{smarty.current_dir}" in a specially
named folder.

Successful exploitation requires control over the template's filename
or folder and content.

The vulnerabilities are confirmed in version 3.0.6. Other versions
may also be affected.

SOLUTION:
Update to version 3.0.7.

PROVIDED AND/OR DISCOVERED BY:
jonieske

ORIGINAL ADVISORY:
Smarty:
http://groups.google.com/group/smarty-announce/browse_thread/thread/18af294596756ac8
http://code.google.com/p/smarty-php/source/browse/trunk/distribution/change_log.txt

jonieske:
http://www.smarty.net/forums/viewtopic.php?t=18815

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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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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clicking the link.
Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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