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An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell co...
CVE-2021-42377
First seen on SecPulse
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2021-42377 busybox
- Debian DEBIAN-CVE-2021-42377 busybox Fixed in: 1:1.35.0-1
Original description The description as published by the source.
An attacker-controlled pointer free in Busybox's hush applet 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.
References
- advisory jfrog.com
- advisory security.netapp.com
- web claroty.com
- web lists.fedoraproject.org
- web lists.fedoraproject.org