An incorrect handling of a special element in ash leads to denial of service when processing a crafted shell command, due to the shell mistaking specific characters for reserved characters. This may be used for DoS under rare conditions of filtered command input.
Read more: "Unboxing Busybox: 14 Vulnerabilities Uncovered by Claroty, JFrog"
CVE-2021-42375
Busybox
Linux Utilities
4.1
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