CVE-2006-2369 Information

Description

RealVNC 4.1.1 and other products that use RealVNC such as AdderLink IP and Cisco CallManager allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as \Type 1 - None\ which is accepted even if it is not offered by the server as originally demonstrated using a long password.

Reference

http://marc.info/?l=full-disclosure&m=114768344111131&w=2 http://marc.info/?l=vnc-list&m=114755444130188&w=2 http://secunia.com/advisories/20107 http://secunia.com/advisories/20109 http://secunia.com/advisories/20789 http://securityreason.com/securityalert/8355 http://securitytracker.com/id?1016083 http://www.cisco.com/warp/public/707/cisco-sr-20060622-cmm.shtml http://www.intelliadmin.com/blog/2006/05/security-flaw-in-realvnc-411.html http://www.intelliadmin.com/blog/2006/05/vnc-flaw-proof-of-concept.html http://www.kb.cert.org/vuls/id/117929 http://www.osvdb.org/25479 http://www.realvnc.com/products/free/4.1/release-notes.html http://www.securityfocus.com/archive/1/433994/100/0/threaded http://www.securityfocus.com/archive/1/434015/100/0/threaded http://www.securityfocus.com/archive/1/434117/100/0/threaded http://www.securityfocus.com/archive/1/434518/100/0/threaded http://www.securityfocus.com/archive/1/434560/100/0/threaded http://www.securityfocus.com/archive/1/438175/100/0/threaded http://www.securityfocus.com/archive/1/438368/100/0/threaded http://www.securityfocus.com/bid/17978 http://www.vupen.com/english/advisories/2006/1790 http://www.vupen.com/english/advisories/2006/1821 http://www.vupen.com/english/advisories/2006/2492 https://exchange.xforce.ibmcloud.com/vulnerabilities/26445