[ASA-202106-10] dhclient: arbitrary code execution
diabonas at archlinux.org
Thu Jun 3 08:43:37 UTC 2021
Arch Linux Security Advisory ASA-202106-10
Date : 2021-06-01
CVE-ID : CVE-2021-25217
Package : dhclient
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-2004
The package dhclient before version 4.4.2.P1-1 is vulnerable to
arbitrary code execution.
Upgrade to 4.4.2.P1-1.
# pacman -Syu "dhclient>=4.4.2.P1-1"
The problem has been fixed upstream in version 4.4.2.P1.
A buffer overrun in the lease file parsing code can be used to exploit
a common vulnerability shared by dhcpd and dhclient before version
An attacker could crash the DHCP client, or potentially execute
arbitrary code, through a crafted lease file.
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