---------------------------------------------------------------------- The Secunia CSI 5.0 Beta - now available for testing Find out more, take a free test drive, and share your opinion with us: http://secunia.com/blog/242 ---------------------------------------------------------------------- TITLE: GentleSource Short URL "u" Script Insertion Vulnerability SECUNIA ADVISORY ID: SA45890 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/45890/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=45890 RELEASE DATE: 2011-09-06 DISCUSS ADVISORY: http://secunia.com/advisories/45890/#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/45890/ 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=45890 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: A vulnerability has been reported in GentleSource Short URL, which can be exploited by malicious people to conduct script insertion attacks. Input passed via the "u" POST parameter to index.php is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed. SOLUTION: Filter malicious characters and character sequences using a proxy. PROVIDED AND/OR DISCOVERED BY: Eyup CELIK 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/ ---------------------------------------------------------------------- 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. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------