RHSA-2021:2416: Important: dhcp security update
The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP network to get their own network configuration information, including an IP address, a subnet mask, and a broadcast address. The dhcp packages provide a relay agent and ISC DHCP service required to enable and administer DHCP on a network.Security Fix(es): dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient (CVE-2021-25217) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:2416?
The severity of RHSA-2021:2416 is classified as important.
How do I fix RHSA-2021:2416?
To fix RHSA-2021:2416, update the dhcp packages to version 4.3.6-34.el8_1.2.
Which software is affected by RHSA-2021:2416?
Affected software includes the dhcp, dhcp-client, dhcp-server, and related packages.
Is there a workaround for RHSA-2021:2416?
There is no specified workaround for RHSA-2021:2416; the recommended action is to update the affected packages.
What is the main issue addressed in RHSA-2021:2416?
RHSA-2021:2416 addresses vulnerabilities in the Dynamic Host Configuration Protocol (DHCP) that could lead to information disclosure.