CVE-2011-2717

Description

The DHCPv6 client (dhcp6c) as used in the dhcpv6 project through 2011-07-25 allows remote DHCP servers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.

References

Link	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717	issue tracking third party advisory
https://access.redhat.com/security/cve/cve-2011-2717	third party advisory
https://www.openwall.com/lists/oss-security/2011/07/26/9	third party advisory mailing list
https://vigilance.fr/vulnerability/dhcp6c-shell-command-injection-10869	third party advisory

Frequently Asked Questions

What is the severity of CVE-2011-2717?: CVE-2011-2717 has been scored as a critical severity vulnerability.
How to fix CVE-2011-2717?: To fix CVE-2011-2717, 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-2011-2717 being actively exploited in the wild?: It is possible that CVE-2011-2717 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2011-2717?: CVE-2011-2717 affects dhcpv6 project dhcpv6.

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Description

Category

CWE-74 – Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

References

Frequently Asked Questions