CVE-2011-0997

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.

• CWE-20

• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761Third Party Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.htmlMailing List, Third Party Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.htmlMailing List, Third Party Advisory
• http://marc.info/?l=bugtraq&m=133226187115472&w=2Mailing List, Third Party Advisory
• http://secunia.com/advisories/44037Third Party Advisory
• http://secunia.com/advisories/44048Third Party Advisory
• http://secunia.com/advisories/44089Third Party Advisory
• http://secunia.com/advisories/44090Third Party Advisory
• http://secunia.com/advisories/44103Third Party Advisory
• http://secunia.com/advisories/44127Third Party Advisory
• http://secunia.com/advisories/44180Third Party Advisory
• http://security.gentoo.org/glsa/glsa-201301-06.xmlThird Party Advisory
• http://securitytracker.com/id?1025300Third Party Advisory, VDB Entry
• http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593345Third Party Advisory
• http://www.debian.org/security/2011/dsa-2216Third Party Advisory
• http://www.debian.org/security/2011/dsa-2217Third Party Advisory
• http://www.kb.cert.org/vuls/id/107886Third Party Advisory, US Government Resource
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:073Third Party Advisory
• http://www.osvdb.org/71493Broken Link
• http://www.redhat.com/support/errata/RHSA-2011-0428.htmlThird Party Advisory
• http://www.redhat.com/support/errata/RHSA-2011-0840.htmlThird Party Advisory
• http://www.securityfocus.com/bid/47176Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-1108-1Third Party Advisory
• http://www.vupen.com/english/advisories/2011/0879Permissions Required
• http://www.vupen.com/english/advisories/2011/0886Permissions Required
• http://www.vupen.com/english/advisories/2011/0909Permissions Required
• http://www.vupen.com/english/advisories/2011/0915Permissions Required
• http://www.vupen.com/english/advisories/2011/0926Permissions Required
• http://www.vupen.com/english/advisories/2011/0965Permissions Required
• http://www.vupen.com/english/advisories/2011/1000Permissions Required
• https://bugzilla.redhat.com/show_bug.cgi?id=689832Issue Tracking, Patch, Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/66580Third Party Advisory, VDB Entry
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12812Third Party Advisory
• https://www.exploit-db.com/exploits/37623/Third Party Advisory, VDB Entry
• https://www.isc.org/software/dhcp/advisories/cve-2011-0997Patch, Vendor Advisory
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761Third Party Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.htmlMailing List, Third Party Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.htmlMailing List, Third Party Advisory
• http://marc.info/?l=bugtraq&m=133226187115472&w=2Mailing List, Third Party Advisory
• http://secunia.com/advisories/44037Third Party Advisory
• http://secunia.com/advisories/44048Third Party Advisory
• http://secunia.com/advisories/44089Third Party Advisory
• http://secunia.com/advisories/44090Third Party Advisory
• http://secunia.com/advisories/44103Third Party Advisory
• http://secunia.com/advisories/44127Third Party Advisory
• http://secunia.com/advisories/44180Third Party Advisory
• http://security.gentoo.org/glsa/glsa-201301-06.xmlThird Party Advisory
• http://securitytracker.com/id?1025300Third Party Advisory, VDB Entry
• http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593345Third Party Advisory
• http://www.debian.org/security/2011/dsa-2216Third Party Advisory
• http://www.debian.org/security/2011/dsa-2217Third Party Advisory
• http://www.kb.cert.org/vuls/id/107886Third Party Advisory, US Government Resource
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:073Third Party Advisory
• http://www.osvdb.org/71493Broken Link
• http://www.redhat.com/support/errata/RHSA-2011-0428.htmlThird Party Advisory
• http://www.redhat.com/support/errata/RHSA-2011-0840.htmlThird Party Advisory
• http://www.securityfocus.com/bid/47176Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-1108-1Third Party Advisory
• http://www.vupen.com/english/advisories/2011/0879Permissions Required
• http://www.vupen.com/english/advisories/2011/0886Permissions Required
• http://www.vupen.com/english/advisories/2011/0909Permissions Required
• http://www.vupen.com/english/advisories/2011/0915Permissions Required
• http://www.vupen.com/english/advisories/2011/0926Permissions Required
• http://www.vupen.com/english/advisories/2011/0965Permissions Required
• http://www.vupen.com/english/advisories/2011/1000Permissions Required
• https://bugzilla.redhat.com/show_bug.cgi?id=689832Issue Tracking, Patch, Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/66580Third Party Advisory, VDB Entry
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12812Third Party Advisory
• https://www.exploit-db.com/exploits/37623/Third Party Advisory, VDB Entry
• https://www.isc.org/software/dhcp/advisories/cve-2011-0997Patch, Vendor Advisory

Published

Apr 8, 2011

Last Modified

Jun 16, 2026

Status

Modified

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