Oval Definition:oval:com.redhat.rhsa:def:20212359
Revision Date:2021-06-09Version:635
Title:RHSA-2021:2359: dhcp security update (Important)
Description: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.
  • Family:unixClass:patch
    Status:Reference(s):CVE-2021-25217
    RHSA-2021:2359
    Platform(s):Red Hat Enterprise Linux 8
    Product(s):
    Definition Synopsis
  • Red Hat Enterprise Linux must be installed
  • OR Package Information
  • Red Hat Enterprise Linux 8 is installed
  • OR Red Hat CoreOS 4 is installed
  • AND
  • dhcp-client is earlier than 12:4.3.6-44.el8_4.1
  • AND dhcp-client is signed with Red Hat redhatrelease2 key
  • dhcp-common is earlier than 12:4.3.6-44.el8_4.1
  • AND dhcp-common is signed with Red Hat redhatrelease2 key
  • dhcp-libs is earlier than 12:4.3.6-44.el8_4.1
  • AND dhcp-libs is signed with Red Hat redhatrelease2 key
  • dhcp-relay is earlier than 12:4.3.6-44.el8_4.1
  • AND dhcp-relay is signed with Red Hat redhatrelease2 key
  • dhcp-server is earlier than 12:4.3.6-44.el8_4.1
  • AND dhcp-server is signed with Red Hat redhatrelease2 key
  • BACK