Advisory Details

February 9th, 2023

(Pwn2Own) Ubiquiti Networks EdgeOS dhcp6c Command Injection Remote Code Execution Vulnerability

CVE ID	CVE-2023-23912
CVSS SCORE	7.5, AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Ubiquiti Networks
AFFECTED PRODUCTS	EdgeOS
VULNERABILITY DETAILS	This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Ubiquiti Networks EdgeOS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhcp6c daemon. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.
ADDITIONAL DETAILS	Ubiquiti Networks has issued an update to correct this vulnerability. More details can be found at: https://community.ui.com/releases/Security-Advisory-Bulletin-028-028/696e4e3b-718c-4da4-9a21-965a85633b5f
DISCLOSURE TIMELINE	2022-12-22 - Vulnerability reported to vendor 2023-02-09 - Coordinated public release of advisory
CREDIT	NCC Group EDG (@alexjplaskett @saidelike @FidgetingBits @_mccaulay)

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