CVE-2021-45444

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Source
https://cve.org/CVERecord?id=CVE-2021-45444
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-45444.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-45444
Downstream
Related
Published
2022-02-14T12:15:15.750Z
Modified
2026-05-18T05:53:11.006532898Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-008:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-001:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-002:*:*:*:*:*:*",
                "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-003:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "10.15"
                },
                {
                    "fixed": "10.15.7"
                },
                {
                    "last_affected": "10.15.7-security_update_2020"
                },
                {
                    "last_affected": "10.15.7-security_update_2020\\-001"
                },
                {
                    "last_affected": "10.15.7-security_update_2020\\-005"
                },
                {
                    "last_affected": "10.15.7-security_update_2020\\-007"
                },
                {
                    "last_affected": "10.15.7-security_update_2021\\-001"
                },
                {
                    "last_affected": "10.15.7-security_update_2021\\-002"
                },
                {
                    "last_affected": "10.15.7-security_update_2021\\-003"
                },
                {
                    "last_affected": "10.15.7-security_update_2021\\-006"
                },
                {
                    "last_affected": "10.15.7-security_update_2021\\-007"
                },
                {
                    "last_affected": "10.15.7-security_update_2021\\-008"
                },
                {
                    "last_affected": "10.15.7-security_update_2022\\-001"
                },
                {
                    "last_affected": "10.15.7-security_update_2022\\-002"
                },
                {
                    "last_affected": "10.15.7-security_update_2022\\-003"
                }
            ],
            "source": "CPE_FIELD",
            "vendor_product": "apple:mac_os_x"
        },
        {
            "cpes": [
                "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "11.0"
                },
                {
                    "fixed": "11.6.6"
                },
                {
                    "introduced": "12.0.0"
                },
                {
                    "fixed": "12.4"
                }
            ],
            "source": "CPE_FIELD",
            "vendor_product": "apple:macos"
        },
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "9.0"
                },
                {
                    "last_affected": "10.0"
                },
                {
                    "last_affected": "11.0"
                }
            ],
            "source": "CPE_FIELD",
            "vendor_product": "debian:debian_linux"
        },
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "34"
                },
                {
                    "last_affected": "35"
                }
            ],
            "source": "CPE_FIELD",
            "vendor_product": "fedoraproject:fedora"
        }
    ]
}
References

Affected packages

Git / github.com/zsh-users/zsh

Affected ranges

Type
GIT
Repo
https://github.com/zsh-users/zsh
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1a490c7050cfacd5daf8376d5a1f0e8cb14ccda5
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "5.8.1"
        }
    ],
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:*"
}

Affected versions

5.*
5.1.1-test-2
5.3.1-test-2
5.4
5.4.1
Other
post-opt-arg
pre-func-move
pre-opt-arg
zsg-4.*
zsg-4.1.1-test-2
zsh-3.*
zsh-3.1.6-dev-21
zsh-3.1.6-dev-22
zsh-3.1.7
zsh-3.1.7-pre-2
zsh-3.1.7-pre-3
zsh-3.1.7-pre-4
zsh-3.1.7-prep-1
zsh-3.1.8
zsh-3.1.9
zsh-3.1.9-dev-1
zsh-3.1.9-dev-2
zsh-3.1.9-dev-3
zsh-3.1.9-dev-4
zsh-3.1.9-dev-5
zsh-3.1.9-dev-6
zsh-3.1.9-dev-7
zsh-3.1.9-dev-8
zsh-4.*
zsh-4.0.1
zsh-4.0.1-pre-1
zsh-4.0.1-pre-3
zsh-4.0.1-pre-4
zsh-4.0.1-pre-5
zsh-4.0.2-pre-2
zsh-4.1.0-dev-1
zsh-4.1.0-dev-2
zsh-4.1.0-dev-3
zsh-4.1.0-dev-4
zsh-4.1.0-dev-5
zsh-4.1.0-dev-7
zsh-4.1.1
zsh-4.1.1-test-1
zsh-4.1.1-test-3
zsh-4.2.0
zsh-4.2.0-pre-1
zsh-4.2.0-pre-2
zsh-4.2.0-pre-3
zsh-4.2.0-pre-4
zsh-4.2.1
zsh-4.2.1-test-A
zsh-4.2.2
zsh-4.2.3
zsh-4.3.0-dev-3
zsh-4.3.0-dev-4
zsh-4.3.0-dev-5
zsh-4.3.1
zsh-4.3.10
zsh-4.3.10-dev-2
zsh-4.3.10-test-3
zsh-4.3.11
zsh-4.3.11-dev-4
zsh-4.3.12
zsh-4.3.12-test-3
zsh-4.3.13
zsh-4.3.14
zsh-4.3.15
zsh-4.3.16
zsh-4.3.17
zsh-4.3.17-test-2
zsh-4.3.2
zsh-4.3.3
zsh-4.3.4
zsh-4.3.4-dev-2
zsh-4.3.4-dev-4
zsh-4.3.4-dev-5
zsh-4.3.4-dev-6
zsh-4.3.4-dev-7
zsh-4.3.4-dev-8
zsh-4.3.5
zsh-4.3.5-dev-1
zsh-4.3.5-dev-2
zsh-4.3.5-dev-3
zsh-4.3.5-dev-4
zsh-4.3.6
zsh-4.3.6-dev-1
zsh-4.3.6-dev-2
zsh-4.3.7
zsh-4.3.8
zsh-4.3.9
zsh-4.3.9-dev-3
zsh-4.3.9-dev-5
zsh-5.*
zsh-5.0.0
zsh-5.0.0-test-1
zsh-5.0.1
zsh-5.0.2
zsh-5.0.2-test-1
zsh-5.0.2-test-2
zsh-5.0.2-test-3
zsh-5.0.3
zsh-5.0.4
zsh-5.0.5
zsh-5.0.5-dev-1
zsh-5.0.5-dev-2
zsh-5.0.5-dev-3
zsh-5.0.6
zsh-5.0.6-dev-1
zsh-5.0.7
zsh-5.0.7-dev-2
zsh-5.0.7-dev-4
zsh-5.0.8
zsh-5.0.8-test-3
zsh-5.1
zsh-5.1-test-1
zsh-5.1.1
zsh-5.1.1-test-1
zsh-5.1.1-test-2
zsh-5.1.1-test-3
zsh-5.2
zsh-5.2-test-1
zsh-5.2-test-2
zsh-5.2-test-3
zsh-5.3
zsh-5.3.1
zsh-5.4
zsh-5.4.1
zsh-5.4.2
zsh-5.4.2-test-1
zsh-5.4.2-test-2
zsh-5.5
zsh-5.5.1
zsh-5.5.1-test-1
zsh-5.5.1-test-2
zsh-5.6
zsh-5.6.1
zsh-5.6.2
zsh-5.6.2-test-2
zsh-5.6.2-test-3
zsh-5.7
zsh-5.7.1
zsh-5.7.1-test-1
zsh-5.7.1-test-2
zsh-5.7.1-test-3
zsh-5.8

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-45444.json"