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TITLE:
WordPress PICA Photo Gallery Plugin Arbitrary File Disclosure and
File Upload Vulnerabilities

SECUNIA ADVISORY ID:
SA49467

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49467/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49467

RELEASE DATE:
2012-06-11

DISCUSS ADVISORY:
http://secunia.com/advisories/49467/#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/49467/

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=49467

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:
Two vulnerabilities have been discovered in the PICA Photo Gallery
plugin for WordPress, which can be exploited by malicious people to
disclose sensitive information and compromise a vulnerable system.

1) Input passed to the "imgname" parameter in
wp-content/plugins/pica-photo-gallery/picadownload.php is not
properly verified before being used to download files. This can be
exploited to disclose the contents of arbitrary files via directory
traversal attacks.

2) An error due to the
wp-content/plugins/pica-photo-gallery/picaPhotosResize.php script
allowing the upload of files with arbitrary extensions to a folder
inside the webroot can be exploited to execute arbitrary PHP code by
uploading a malicious PHP script.

The vulnerabilities are confirmed in version 1.0. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified.
Restrict access to the
wp-content/plugins/pica-photo-gallery/picaPhotosResize.php script
(e.g. via .htaccess).

PROVIDED AND/OR DISCOVERED BY:
1) Sammy Forgit, OpenSysCom
2) Adrien Thierry

ORIGINAL ADVISORY:
OpenSysCom:
http://www.opensyscom.fr/Actualites/wordpress-plugins-pica-photo-gallery-remote-file-disclosure-vulnerability.html

Adrien Thierry:
http://www.exploit-db.com/exploits/19055/

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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