National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-0997 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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://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 US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:073
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 Vendor Advisory
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 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/66580
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12812
https://www.exploit-db.com/exploits/37623/
https://www.isc.org/software/dhcp/advisories/cve-2011-0997 Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:isc:dhcp:3.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc10:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc11:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc12:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc13:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc14:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc6:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc7:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc8:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.1:rc9:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.2:b1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.2:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.2:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.2:rc3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.3:b1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.3:b2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.3:b3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.4:b1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.4:b2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.4:b3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.4:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.5:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.0.6:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1-esv:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.0:a1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.0:a2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.0:a3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.0:b1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.0:b2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.0:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.1:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.1:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.2:b1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.2:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.3:b1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:3.1.3:rc1:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:isc:dhcp:4.1-esv:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-0997
NVD Published Date:
04/08/2011
NVD Last Modified:
09/18/2017