CVE-2021-42376
Medium
Description
A NULL pointer dereference in Busybox's hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Busybox
PublishedNov 15, 2021
First seenNov 15, 2021
Weakness typeCWE-476NULL pointer dereference
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| busybox busybox | 1.16.0 ≤ v < 1.34.0 | 1.34.0 |
| fedoraproject fedora | 33, 34 | — |
| netapp cloud_backup | No range specified | — |
| netapp hci_management_node | No range specified | — |
| netapp solidfire | No range specified | — |
| netapp h300s_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h300e_firmware | No range specified | — |
| netapp h500e_firmware | No range specified | — |
| netapp h700e_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
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