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TITLE:
POSH Cross-Site Scripting and File Inclusion Vulnerabilities

SECUNIA ADVISORY ID:
SA46354

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46354/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46354

RELEASE DATE:
2011-10-13

DISCUSS ADVISORY:
http://secunia.com/advisories/46354/#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/46354/

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=46354

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 POSH, which can be
exploited by malicious users to disclose potentially sensitive
information and by malicious people to conduct cross-site scripting
attacks.

1) Input passed to the "lang" parameter in portal/scr_changelang.php
is not properly verified before being used to include files. This can
be exploited to include arbitrary files from local resources via
directory traversal attacks and URL-encoded NULL bytes.

2) Input passed to the "message" parameter in portal/login.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 vulnerabilities are confirmed in version 3.1.1. Prior versions
may also be affected.

SOLUTION:
Update to version 3.1.2.

PROVIDED AND/OR DISCOVERED BY:
CrashFr

ORIGINAL ADVISORY:
http://www.exploit-db.com/exploits/17959/

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.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

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.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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