CVE-2022-22179 An attacker can cause a crash in the Juniper DHCP daemon to deny service.
21.3 versions prior to 21.3R2-S2; 21.4 versions prior to 21.4R1-S1; 22.1 versions prior to 22.1R1-S1; 22.2 versions prior to 22.2R1-S1; and 22.3 versions prior to 22.3R1-S1. A remote attacker can cause a crash of jdhcpd by sending a specially crafted DHCPv4 packet. An attacker can send any type of DHCPv4 packet to the jdhcpd process. However, the following options are required in order to trigger the crash. �� options index 548 ={������������������������}���������������������������������������������� The options that can be used when sending a specially crafted DHCPv4 packet to jdhcpd are: �� options index 548 ={������������������������}��������������������������������������������������� �� version 45 ={������������������������}����������������������������������������������� remote-option value 1 ={������������������������}����������������������������������������������� source 0.0.0
Vulnerability Summary ��
A remote attacker can cause a crash of jdhcpd by sending a specially crafted DHCPv4 packet. An attacker can send any type of DHCPv4 packet to the jdhcpd process. However, the following options are required in order to trigger the crash. �� Options index 548 ={������������������������}�� The options that can be used when sending a specially crafted DHCPv4 packet to jdhcpd are: �� version 45 ={������������������������}�� remote-option value 1 ={������ source 0.0.0
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References: https://www.isc.org/downloads/software-support/cve-2018-8373
https://kb.juniper.net/InfoCenter/index?page=content&id=KB1914
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Published on: 01/19/2022 01:15:00 UTC
Last modified on: 01/26/2022 20:09:00 UTC