---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. The Full Featured Secunia Network Software Inspector (NSI) is now available: http://secunia.com/network_software_inspector/ The Secunia NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. ---------------------------------------------------------------------- TITLE: 3Com IntelliJack Switch NJ220 Loopback Packet Processing Denial of Service SECUNIA ADVISORY ID: SA25883 VERIFY ADVISORY: http://secunia.com/advisories/25883/ CRITICAL: Less critical IMPACT: DoS WHERE: >From remote OPERATING SYSTEM: 3Com IntelliJack Switch NJ220 (3CNJ220) 2.x http://secunia.com/product/14678/ DESCRIPTION: A vulnerability has been reported in 3Com IntelliJack Switch NJ220, which potentially can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to an error when NJ220 processes loopback packets with a length field of zero. This can be exploited to cause NJ220 to restart and stop sending event packets to the Central Configuration Manager utility via a specially crafted loopback packet. The vulnerability is reported in versions prior to 2.0.23. SOLUTION: Update to version 2.0.23. PROVIDED AND/OR DISCOVERED BY: Reported by the vendor. ORIGINAL ADVISORY: http://support.3com.com/infodeli/tools/nj/nj220_02_00_23_readme.pdf ---------------------------------------------------------------------- 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 ----------------------------------------------------------------------