CVE-2011-0997

N/A Unknown
Published: April 08, 2011 Modified: April 29, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.html
Source: cve@mitre.org
Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.html
Source: cve@mitre.org
Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=133226187115472&w=2
Source: cve@mitre.org
Mailing List Third Party Advisory
http://secunia.com/advisories/44037
Source: cve@mitre.org
Third Party Advisory
http://secunia.com/advisories/44048
Source: cve@mitre.org
Third Party Advisory
http://secunia.com/advisories/44089
Source: cve@mitre.org
Third Party Advisory
http://secunia.com/advisories/44090
Source: cve@mitre.org
Third Party Advisory
http://secunia.com/advisories/44103
Source: cve@mitre.org
Third Party Advisory
http://secunia.com/advisories/44127
Source: cve@mitre.org
Third Party Advisory
http://secunia.com/advisories/44180
Source: cve@mitre.org
Third Party Advisory
http://security.gentoo.org/glsa/glsa-201301-06.xml
Source: cve@mitre.org
Third Party Advisory
http://securitytracker.com/id?1025300
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.debian.org/security/2011/dsa-2216
Source: cve@mitre.org
Third Party Advisory
http://www.debian.org/security/2011/dsa-2217
Source: cve@mitre.org
Third Party Advisory
http://www.kb.cert.org/vuls/id/107886
Source: cve@mitre.org
Third Party Advisory US Government Resource
http://www.osvdb.org/71493
Source: cve@mitre.org
Broken Link
http://www.redhat.com/support/errata/RHSA-2011-0428.html
Source: cve@mitre.org
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0840.html
Source: cve@mitre.org
Third Party Advisory
http://www.securityfocus.com/bid/47176
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-1108-1
Source: cve@mitre.org
Third Party Advisory
http://www.vupen.com/english/advisories/2011/0879
Source: cve@mitre.org
Permissions Required
http://www.vupen.com/english/advisories/2011/0886
Source: cve@mitre.org
Permissions Required
http://www.vupen.com/english/advisories/2011/0909
Source: cve@mitre.org
Permissions Required
http://www.vupen.com/english/advisories/2011/0915
Source: cve@mitre.org
Permissions Required
http://www.vupen.com/english/advisories/2011/0926
Source: cve@mitre.org
Permissions Required
http://www.vupen.com/english/advisories/2011/0965
Source: cve@mitre.org
Permissions Required
http://www.vupen.com/english/advisories/2011/1000
Source: cve@mitre.org
Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=689832
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66580
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/37623/
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://www.isc.org/software/dhcp/advisories/cve-2011-0997
Source: cve@mitre.org
Patch Vendor Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=133226187115472&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://secunia.com/advisories/44037
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/44048
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/44089
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/44090
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/44103
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/44127
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/44180
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://security.gentoo.org/glsa/glsa-201301-06.xml
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://securitytracker.com/id?1025300
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593345
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.debian.org/security/2011/dsa-2216
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.debian.org/security/2011/dsa-2217
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.kb.cert.org/vuls/id/107886
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:073
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.osvdb.org/71493
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.redhat.com/support/errata/RHSA-2011-0428.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0840.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/47176
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-1108-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.vupen.com/english/advisories/2011/0879
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
http://www.vupen.com/english/advisories/2011/0886
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
http://www.vupen.com/english/advisories/2011/0909
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
http://www.vupen.com/english/advisories/2011/0915
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
http://www.vupen.com/english/advisories/2011/0926
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
http://www.vupen.com/english/advisories/2011/0965
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
http://www.vupen.com/english/advisories/2011/1000
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=689832
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66580
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12812
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.exploit-db.com/exploits/37623/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://www.isc.org/software/dhcp/advisories/cve-2011-0997
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

70 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
84.2%
100th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

debian canonical isc