7.9 High
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:M/Au:N/C:C/I:C/A:C
7.5 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
0.973 High
EPSS
Percentile
99.9%
CentOS Errata and Security Advisory CESA-2018:1454
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):
Red Hat would like to thank Felix Wilhelm (Google Security Team) for reporting this issue.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2018-May/084992.html
Affected packages:
dhclient
dhcp
dhcp-common
dhcp-devel
Upstream details at:
https://access.redhat.com/errata/RHSA-2018:1454
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 6 | i686 | dhclient | < 4.1.1-53.P1.el6.centos.4 | dhclient-4.1.1-53.P1.el6.centos.4.i686.rpm |
CentOS | 6 | i686 | dhcp | < 4.1.1-53.P1.el6.centos.4 | dhcp-4.1.1-53.P1.el6.centos.4.i686.rpm |
CentOS | 6 | i686 | dhcp-common | < 4.1.1-53.P1.el6.centos.4 | dhcp-common-4.1.1-53.P1.el6.centos.4.i686.rpm |
CentOS | 6 | i686 | dhcp-devel | < 4.1.1-53.P1.el6.centos.4 | dhcp-devel-4.1.1-53.P1.el6.centos.4.i686.rpm |
CentOS | 6 | x86_64 | dhclient | < 4.1.1-53.P1.el6.centos.4 | dhclient-4.1.1-53.P1.el6.centos.4.x86_64.rpm |
CentOS | 6 | x86_64 | dhcp | < 4.1.1-53.P1.el6.centos.4 | dhcp-4.1.1-53.P1.el6.centos.4.x86_64.rpm |
CentOS | 6 | x86_64 | dhcp-common | < 4.1.1-53.P1.el6.centos.4 | dhcp-common-4.1.1-53.P1.el6.centos.4.x86_64.rpm |
CentOS | 6 | i686 | dhcp-devel | < 4.1.1-53.P1.el6.centos.4 | dhcp-devel-4.1.1-53.P1.el6.centos.4.i686.rpm |
CentOS | 6 | x86_64 | dhcp-devel | < 4.1.1-53.P1.el6.centos.4 | dhcp-devel-4.1.1-53.P1.el6.centos.4.x86_64.rpm |
7.9 High
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:M/Au:N/C:C/I:C/A:C
7.5 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
0.973 High
EPSS
Percentile
99.9%