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TITLE:
AShop URL Redirection and Cross-Site Scripting Vulnerabilities

SECUNIA ADVISORY ID:
SA46739

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46739/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46739

RELEASE DATE:
2011-11-10

DISCUSS ADVISORY:
http://secunia.com/advisories/46739/#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/46739/

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=46739

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:
Stefan Schurtz has discovered two weaknesses and multiple
vulnerabilities in AShop, which can be exploited by malicious people
to conduct spoofing and cross-site scripting attacks.

1) Input passed via the "redirect" parameter to language.php (when
"language" is set) and the "redirect" parameter to currency.php is
not properly verified before being used to redirect users. This can
be exploited to redirect a user to an arbitrary website e.g. when a
user clicks a specially crafted link to the affected script hosted on
a trusted domain.

2) Input passed via the "picture" parameter to picture.php, the
"resultpage" parameter to catalogue.php, and the "sid" parameter to
basket.php is not properly sanitised before being returned to the
user. This can be exploited to execute arbitrary HTML and script code
in a user's browser session in context of an affected site.

The weaknesses and vulnerabilities are confirmed in version 5.1.3.
Prior versions may also be affected.

SOLUTION:
Update to version 5.1.4

PROVIDED AND/OR DISCOVERED BY:
Stefan Schurtz

ORIGINAL ADVISORY:
http://seclists.org/fulldisclosure/2011/Nov/122

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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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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