{"vuid":"VU#134025","idnumber":"134025","name":"kernel-utils sets insecure permissions on \"uml_net\" utility","keywords":["kernel-utils","insecure permissions","uml_net utility","user mode linux","security"],"overview":"The uml_net utility, part of the kernel-utils package in Red Hat Linux 8.0, was shipped with incorrect permissions.","clean_desc":"User-Mode Linux (UML) is a tool to provide a virtual machine in which to run another copy of Linux. In Red Hat linux 8.0, the kernel-utils package contains the UML utilities. One of the UML utilities, uml_net, was incorrectly shipped setuid root.","impact":"Local users could control network interfaces, put interfaces into promiscuous mode, and add and remove arp entries and routes.","resolution":"Apply a patch as described in the Red Hat bulletin. If a patch cannot be applied, you can remove the suid bit from the uml_net package with the following command: chmod -s /usr/bin/uml_net","workarounds":"","sysaffected":"","thanks":"Red Hat has credited Johny Robertson for discovering this issue.","author":"This document was written by Shawn Hernan based on information provided by Red Hat and other sources.","public":["https://rhn.redhat.com/errata/RHSA-2003-056.html","https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=83685","http://user-mode-linux.sourceforge.net/","http://lwn.net/Vulnerabilities/22202/","http://online.securityfocus.com/advisories/4951","http://www.uniras.gov.uk/l1/l2/l3/brief2003/Brief%20-%207303.txt"],"cveids":["CVE-2003-0019"],"certadvisory":"","uscerttechnicalalert":null,"datecreated":"2003-02-07T19:44:08Z","publicdate":"2003-02-07T00:00:00Z","datefirstpublished":"2003-02-11T18:02:33Z","dateupdated":"2003-02-11T18:03:23Z","revision":4,"vrda_d1_directreport":"","vrda_d1_population":"","vrda_d1_impact":"","cam_widelyknown":"20","cam_exploitation":"0","cam_internetinfrastructure":"5","cam_population":"15","cam_impact":"15","cam_easeofexploitation":"15","cam_attackeraccessrequired":"10","cam_scorecurrent":"15.8203125","cam_scorecurrentwidelyknown":"15.8203125","cam_scorecurrentwidelyknownexploited":"28.4765625","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":15.8203125,"vulnote":null}