CVE-2011-0997 Information

Description

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1 3.1-ESV before 3.1-ESV-R1 and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message as demonstrated by a hostname that is provided to dhclient-script.

Reference

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.html http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.html http://marc.info/?l=bugtraq&m=133226187115472&w=2 http://secunia.com/advisories/44037 http://secunia.com/advisories/44048 http://secunia.com/advisories/44089 http://secunia.com/advisories/44090 http://secunia.com/advisories/44103 http://secunia.com/advisories/44127 http://secunia.com/advisories/44180 http://security.gentoo.org/glsa/glsa-201301-06.xml http://securitytracker.com/id?1025300 http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593345 http://www.debian.org/security/2011/dsa-2216 http://www.debian.org/security/2011/dsa-2217 http://www.kb.cert.org/vuls/id/107886 http://www.mandriva.com/security/advisories?name=MDVSA-2011:073 http://www.osvdb.org/71493 http://www.redhat.com/support/errata/RHSA-2011-0428.html http://www.redhat.com/support/errata/RHSA-2011-0840.html http://www.securityfocus.com/bid/47176 http://www.ubuntu.com/usn/USN-1108-1 http://www.vupen.com/english/advisories/2011/0879 http://www.vupen.com/english/advisories/2011/0886 http://www.vupen.com/english/advisories/2011/0909 http://www.vupen.com/english/advisories/2011/0915 http://www.vupen.com/english/advisories/2011/0926 http://www.vupen.com/english/advisories/2011/0965 http://www.vupen.com/english/advisories/2011/1000 https://bugzilla.redhat.com/show_bug.cgi?id=689832 https://exchange.xforce.ibmcloud.com/vulnerabilities/66580 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A12812 https://www.exploit-db.com/exploits/37623/ https://www.isc.org/software/dhcp/advisories/cve-2011-0997