{"vuid":"VU#940203","idnumber":"940203","name":"DansGuardian content filtering proxy fails to adequately validate user input thereby allowing user to access restricted site via hex encoded URLs","keywords":["DansGuardian","content filtering proxy","user input","restricted site","banned site","hex encoded URLs"],"overview":"DansGuardian does not properly filter","clean_desc":"DansGuardian is an HTTP proxy server based on Squid and enhanced to filter web content. DansGuardian does not properly process URLs that contain certain unspecified hexadecimal encodings, resulting in incomplete filtering of HTTP responses. Users may be able to violate security policies or inadvertently access malicious code by following a malicious web link or requesting a malicious URL.","impact":"Security policies may be violated and malicious code may be accessed.","resolution":"Upgrade Upgrade to version 2.4.5-1 of DansGuardian: http://mirror.dansguardian.org/downloads/2/Stable/DansGuardian-2.4.5-1.source.tar.gz","workarounds":"","sysaffected":"","thanks":"Thanks to DansGuardian for reporting this vulnerability.","author":"This document was written by Shawn Van Ittersum.","public":["h","t","t","p",":","/","/","o","n","l","i","n","e",".","s","e","c","u","r","i","t","y","f","o","c","u","s",".","c","o","m","/","b","i","d","/","5","2","9","1"],"cveids":[""],"certadvisory":"","uscerttechnicalalert":null,"datecreated":"2002-07-26T16:45:50Z","publicdate":"2002-07-22T00:00:00Z","datefirstpublished":"2002-09-26T22:05:34Z","dateupdated":"2002-09-26T22:05:41Z","revision":3,"vrda_d1_directreport":"","vrda_d1_population":"","vrda_d1_impact":"","cam_widelyknown":"15","cam_exploitation":"0","cam_internetinfrastructure":"5","cam_population":"4","cam_impact":"4","cam_easeofexploitation":"11","cam_attackeraccessrequired":"20","cam_scorecurrent":"1.32","cam_scorecurrentwidelyknown":"1.65","cam_scorecurrentwidelyknownexploited":"2.97","ipprotocol":"","cvss_accessvector":"","cvss_accesscomplexity":"","cvss_authentication":null,"cvss_confidentialityimpact":"","cvss_integrityimpact":"","cvss_availabilityimpact":"","cvss_exploitablity":null,"cvss_remediationlevel":"","cvss_reportconfidence":"","cvss_collateraldamagepotential":"","cvss_targetdistribution":"","cvss_securityrequirementscr":"","cvss_securityrequirementsir":"","cvss_securityrequirementsar":"","cvss_basescore":"","cvss_basevector":"","cvss_temporalscore":"","cvss_environmentalscore":"","cvss_environmentalvector":"","metric":1.32,"vulnote":null}