CVE-2021-42377

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Source
https://cve.org/CVERecord?id=CVE-2021-42377
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42377.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-42377
Downstream
Related
Published
2021-11-15T21:15:07.700Z
Modified
2026-07-08T06:00:44.843608293Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
                {
                    "introduced": "33"
                },
                {
                    "last_affected": "33"
                },
                {
                    "introduced": "34"
                },
                {
                    "last_affected": "34"
                }
            ],
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages

Git / github.com/mirror/busybox

Affected ranges

Type
GIT
Repo
https://github.com/mirror/busybox
Events
Introduced
a4c3a341394a1fb25be8c15d2ddfe3ec77cbb83c
Last affected
bcc5b0e6caca6c7602a6a41faa5f980292e0fbc5
Database specific 
{
    "cpe": [
        "cpe:2.3:a:busybox:busybox:1.33.0:*:*:*:*:*:*:*",
        "cpe:2.3:a:busybox:busybox:1.33.1:*:*:*:*:*:*:*"
    ],
    "source": "CPE_STRING",
    "extracted_events": [
        {
            "introduced": "1.33.0"
        },
        {
            "last_affected": "1.33.0"
        },
        {
            "introduced": "1.33.1"
        },
        {
            "last_affected": "1.33.1"
        }
    ]
}

Affected versions

1.*
1.33.0
1.33.1
Other
1_33_0
1_33_1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42377.json"