CVE-2021-45444

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Source
https://cve.org/CVERecord?id=CVE-2021-45444
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45444.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-45444
Downstream
Related
Published
2022-02-14T12:15:15.750Z
Modified
2026-03-15T14:45:30.037422Z
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.

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 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "5.8.1"
        }
    ]
}

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-5.0.3-test-1
zsh-5.0.3-test-2
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-2
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

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "35"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "11.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "10.15"
            },
            {
                "fixed": "10.15.7"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2020"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2020\\-001"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2020\\-005"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2020\\-007"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2021\\-001"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2021\\-002"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2021\\-003"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2021\\-006"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2021\\-007"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2021\\-008"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2022\\-001"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2022\\-002"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.15.7-security_update_2022\\-003"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "11.0"
            },
            {
                "fixed": "11.6.6"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "12.0.0"
            },
            {
                "fixed": "12.4"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45444.json"