CVE-2011-2717

CRITICAL

dhcp6c < 2011-07-25 - Remote Code Execution via Shell Metacharacters in DHCP Hostname

Title source: llm
STIX 2.1

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 (4)

Core 4
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717
Third Party Advisory x_refsource_misc
https://access.redhat.com/security/cve/cve-2011-2717
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://www.openwall.com/lists/oss-security/2011/07/26/9

Scores

CVSS v3 9.8
EPSS 0.0393
EPSS Percentile 89.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-74
Status published
Products (3)
linux/dhcp6c < 2011-07-25
redhat/enterprise_linux 4.0
redhat/enterprise_linux 5.0
Published Nov 27, 2019
Tracked Since Feb 18, 2026