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Arch Linux 2021: ASA-202106-11 High: DHCP Remote Code Execution

The package dhcp before version 4.4.2.P1-1 is vulnerable to arbitrary code execution. . Arch Linux Security Advisory ASA-202106-11 ========================================= 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 Summary ====== The package dhcp before version 4.4.2.P1-1 is vulnerable to arbitrary code execution. Resolution ========= Upgrade to 4.4.2.P1-1. # pacman -Syu "dhcp> =4.4.2.P1-1" The problem has been fixed upstream in version 4.4.2.P1. Workaround ========= None. Description ========== 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. Impact ===== An attacker could crash the DHCP server, or potentially execute arbitrary code, through a crafted lease file. References ========= 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 . Ubuntu Security Notice USN-4538-1 addresses a critical vulnerability in the dnsmasq package before version 2.80-1. This flaw may expose systems to remote attacks.. Arch Linux, DHCP Exploit, High Risk, Security Advisory, Code Execution. . LinuxSecurity.com Team

Jun 03, 2021 ArchLinux