CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS
Percentile
68.3%
Severity: High
Date : 2021-06-01
CVE-ID : CVE-2021-25217
Package : dhcp
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-2004
The package dhcp before version 4.4.2.P1-1 is vulnerable to arbitrary
code execution.
Upgrade to 4.4.2.P1-1.
The problem has been fixed upstream in version 4.4.2.P1.
None.
A buffer overrun in the lease file parsing code can be used to exploit
a common vulnerability shared by dhcpd and dhclient before version
4.4.2-P1.
An attacker could crash the DHCP server, or potentially execute
arbitrary code, through a crafted lease file.
https://kb.isc.org/docs/cve-2021-25217
https://downloads.isc.org/isc/dhcp/4.4.2-P1/patches/4.4.2.CVE-2021-25217.patch
https://security.archlinux.org/CVE-2021-25217
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS
Percentile
68.3%