CVE-2011-0996: Input Validation
Published Apr 13, 2011
·Updated
dhcpcd before 5.2.12 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.
Affected Software
1 affected component
Roy Marples Dhcpcd<=5.2.10
Remediation
Event History
Apr 13, 2011
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2011-0996?
CVE-2011-0996 has a high severity rating due to the potential for remote code execution.
2
How do I fix CVE-2011-0996?
To fix CVE-2011-0996, upgrade dhcpcd to version 5.2.12 or a later version.
3
What kind of attacks are possible with CVE-2011-0996?
CVE-2011-0996 allows remote attackers to execute arbitrary commands on affected systems.
4
Which versions of dhcpcd are affected by CVE-2011-0996?
CVE-2011-0996 affects dhcpcd versions up to and including 5.2.10.
5
Is my system vulnerable if I am using dhcpcd version 5.2.11 or later?
No, if you are using dhcpcd version 5.2.11 or later, your system is not vulnerable to CVE-2011-0996.