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CVE-2021-42377

CVE-2021-42377

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 9.8 · Critical · EPSS 3.6% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • busybox

    Versions
    • ≥ unspecified, < 1.34.0: Affected (custom)

    Update to 1.34.0

  • busybox Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:1.35.0-1

    Update to 1:1.35.0-1

  • busybox Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:1.35.0-1

    Update to 1:1.35.0-1

  • busybox Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:1.35.0-1

    Update to 1:1.35.0-1

Original sources

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