TITLE: DUbanner Insecure File Upload Vulnerability SECUNIA ADVISORY ID: SA20102 VERIFY ADVISORY: http://secunia.com/advisories/20102/ CRITICAL: Moderately critical IMPACT: System access WHERE: >From remote SOFTWARE: DUware DUbanner 3.x http://secunia.com/product/2848/ DESCRIPTION: Dj ReMix has discovered a vulnerability in DUbanner, which can be exploited by malicious users to compromise a vulnerable system. Improper checks of file extensions in add.asp can be exploited to upload arbitrary files. This can e.g. be exploited to upload and execute arbitrary ASP code on a vulnerable system. The vulnerability has been confirmed in version 3.1. Other versions may also be affected. SOLUTION: Edit the source code to ensure that input is properly sanitised. Grant only trusted user access to a vulnerable application. PROVIDED AND/OR DISCOVERED BY: Dj ReMix ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/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 ----------------------------------------------------------------------