Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Isc | Dhcp | 3.0 |
| Debian | Debian Linux | 5.0 |
| Canonical | Ubuntu Linux | 6.06 |
Related Weaknesses (CWE)
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.htmlMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.htmlMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=133226187115472&w=2Mailing ListThird 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 AdvisoryVDB Entry
- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackwareThird Party Advisory
- http://www.debian.org/security/2011/dsa-2216Third Party Advisory
FAQ
What is CVE-2011-0997?
CVE-2011-0997 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 h...
How severe is CVE-2011-0997?
CVE-2011-0997 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-0997?
Check the references section above for vendor advisories and patch information. Affected products include: Isc Dhcp, Debian Debian Linux, Canonical Ubuntu Linux.