An attacker-controlled pointer free in hush leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.
Read more: "Unboxing Busybox: 14 Vulnerabilities Uncovered by Claroty, JFrog"
CVE-2021-42377
Busybox
Linux Utilities
6.4
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