CVE-2011-0997

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 71.98% Top 5%
Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory mandriva.com Vendor Advisory fedoraproject.org Vendor Advisory slackware.com Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory isc.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/47176 third party advisory vdb entry
http://www.vupen.com/english/advisories/2011/0886 vdb entry permissions required
http://secunia.com/advisories/44103 third party advisory
http://www.redhat.com/support/errata/RHSA-2011-0840.html third party advisory vendor advisory
http://secunia.com/advisories/44037 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=689832 patch third party advisory issue tracking
http://www.vupen.com/english/advisories/2011/0926 vdb entry permissions required
http://marc.info/?l=bugtraq&m=133226187115472&w=2 vendor advisory mailing list third party advisory
http://secunia.com/advisories/44127 third party advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:073 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2011/0909 vdb entry permissions required
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12812 signature third party advisory vdb entry
http://www.osvdb.org/71493 vdb entry broken link
http://secunia.com/advisories/44090 third party advisory
http://secunia.com/advisories/44048 third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.html vendor advisory mailing list third party advisory
https://www.isc.org/software/dhcp/advisories/cve-2011-0997 patch vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66580 third party advisory vdb entry
http://www.vupen.com/english/advisories/2011/0879 vdb entry permissions required
http://www.kb.cert.org/vuls/id/107886 third party advisory us government resource
http://securitytracker.com/id?1025300 third party advisory vdb entry
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 third party advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593345 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2011/1000 vdb entry permissions required
http://www.vupen.com/english/advisories/2011/0915 vdb entry permissions required
http://www.vupen.com/english/advisories/2011/0965 vdb entry permissions required
https://www.exploit-db.com/exploits/37623/ third party advisory vdb entry exploit
http://security.gentoo.org/glsa/glsa-201301-06.xml third party advisory vendor advisory
http://secunia.com/advisories/44180 third party advisory
http://www.debian.org/security/2011/dsa-2217 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-1108-1 third party advisory vendor advisory
http://www.debian.org/security/2011/dsa-2216 third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.html vendor advisory mailing list third party advisory
http://www.redhat.com/support/errata/RHSA-2011-0428.html third party advisory vendor advisory
http://secunia.com/advisories/44089 third party advisory

Frequently Asked Questions

What is the severity of CVE-2011-0997?
CVE-2011-0997 has been scored as a high severity vulnerability.
How to fix CVE-2011-0997?
To fix CVE-2011-0997, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-0997 being actively exploited in the wild?
It is possible that CVE-2011-0997 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~72% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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