{"vuid":"VU#356323","idnumber":"356323","name":"Netscape vulnerable to arbitrary file overwriting via symlink redirection of temporary file","keywords":["Netscape","SPARC","Solaris","symlink redirection","temporary file","/tmp","symbolic link"],"overview":"During installation, Netscape 6.0.1 creates a temporary file with insecure options and a predictable name in a world-writable location. By using a symbolic link attack, an attacker could cause overwrite of arbitrary files.","clean_desc":"The installation script for Netscape 6.0.1 creates a temporary file with a predictable name in /tmp, a world-writable directory. This file is not checked for prior existence or ownership.","impact":"If the installation is done while the system is in multi-user mode, an attacker may be able to create a symbolic link with appropriate name and cause overwrite of any writable file on the system.","resolution":"The CERT/CC is currently unaware of a practical solution to this problem.","workarounds":"Perform the install in single-user mode.","sysaffected":"","thanks":"This vulnerability was first described by Larry W. Cashdollar.","author":"This document was last modified by Tim Shimeall.","public":["h","t","t","p",":","/","/","w","w","w",".","s","e","c","u","r","i","t","y","f","o","c","u","s",".","c","o","m","/","b","i","d","/","3","2","4","3"],"cveids":["CVE-2001-1066"],"certadvisory":"","uscerttechnicalalert":null,"datecreated":"2001-08-28T20:50:26Z","publicdate":"2001-08-28T00:00:00Z","datefirstpublished":"2001-11-15T16:30:46Z","dateupdated":"2001-11-15T16:30:48Z","revision":8,"vrda_d1_directreport":"","vrda_d1_population":"","vrda_d1_impact":"","cam_widelyknown":"15","cam_exploitation":"10","cam_internetinfrastructure":"10","cam_population":"10","cam_impact":"8","cam_easeofexploitation":"3","cam_attackeraccessrequired":"10","cam_scorecurrent":"1.575","cam_scorecurrentwidelyknown":"1.8","cam_scorecurrentwidelyknownexploited":"2.25","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":1.575,"vulnote":null}