CVE-2021-42375

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Source
https://cve.org/CVERecord?id=CVE-2021-42375
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-42375.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-42375
Downstream
Related
Published
2021-11-15T21:15:07.593Z
Modified
2026-05-28T04:07:04.859237424Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An incorrect handling of a special element in Busybox's ash applet leads to denial of service when processing a crafted shell command, due to the shell mistaking specific characters for reserved characters. This may be used for DoS under rare conditions of filtered command input.

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

Affected packages

Git / github.com/mirror/busybox

Affected ranges

Type
GIT
Repo
https://github.com/mirror/busybox
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
bcc5b0e6caca6c7602a6a41faa5f980292e0fbc5
Database specific 
{
    "source": "CPE_STRING",
    "cpe": "cpe:2.3:a:busybox:busybox:1.33.1:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.33.1"
        }
    ]
}

Affected versions

Other
0_29alpha2
0_32
0_33
0_34
0_36
0_39
0_40
0_41
0_42
0_43
0_43pre1
0_45
0_46
0_47
0_48
0_49
0_50
0_51
0_52
0_60_0
0_60_1
0_60_2
0_60_3
0_60_4
0_60_5
1_00
1_00_pre1
1_00_pre10
1_00_pre2
1_00_pre3
1_00_pre4
1_00_pre5
1_00_pre6
1_00_pre7
1_00_pre8
1_00_pre9
1_00_rc1
1_00_rc2
1_00_rc3
1_10_0
1_12_0
1_14_0
1_15_0
1_16_0
1_17_0
1_18_0
1_19_0
1_1_0
1_1_1
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_2_0
1_30_0
1_31_0
1_32_0
1_33_0
1_33_1
1_4_0
1_8_0
1_9_0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-42375.json"