RHSA-2021:2415: 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-2021:2415?
The severity of RHSA-2021:2415 is classified as important.
How do I fix RHSA-2021:2415?
To fix RHSA-2021:2415, you should update your dhcp packages to version 4.2.5-47.el7_3.2.
Which software packages are affected by RHSA-2021:2415?
The affected software packages for RHSA-2021:2415 include dhcp, dhclient, dhcp-common, dhcp-debuginfo, dhcp-devel, and dhcp-libs.
What is the purpose of the DHCP protocol associated with RHSA-2021:2415?
The DHCP protocol allows devices on an IP network to automatically receive configuration information like IP addresses.
Where can I find more information about RHSA-2021:2415?
More information about RHSA-2021:2415 can be found in the Red Hat security advisory.