CVE-2021-42376

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.

References

Affected packages

Git / github.com/mirror/busybox

Affected ranges

Type

GIT

Repo

https://github.com/mirror/busybox

Events

Introduced

e52b735231bda70d811e4f9ef0e21fb2c7af96a2

Fixed

d922947834160f356ebdee07af69e33cbe4b6057

Database specific

{
    "versions": [
        {
            "introduced": "1.16.0"
        },
        {
            "fixed": "1.34.0"
        }
    ]
}

Affected versions

Other

1_16_0

1_17_0

1_18_0

1_19_0

1_20_0

1_21_0

1_22_0

1_23_0

1_24_0

1_25_0

1_26_0

1_27_0

1_28_0

1_29_0

1_30_0

1_31_0

1_32_0

1_33_0

Database specific

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "33"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42376.json"