CVE-2022-20001

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When using the default configuration of fish, changing to a directory automatically runs `git` commands in order to display information about the current repository in the prompt. If an attacker can convince a user to change their current directory into one controlled by the attacker, such as on a shared file system or extracted archive, fish will run arbitrary commands under the attacker's control. This problem has been fixed in fish 3.4.0. Note that running git in these directories, including using the git tab completion, remains a potential trigger for this issue. As a workaround, remove the `fish_git_prompt` function from the prompt."}, {"lang": "es", "value": "fish es un shell de l\u00ednea de comandos. fish versiones 3.1.0 hasta 3.3.1, es vulnerable a una ejecuci\u00f3n de c\u00f3digo arbitrario. Los repositorios de git pueden contener una configuraci\u00f3n por repositorio que cambia el comportamiento de git, incluyendo la ejecuci\u00f3n de comandos arbitrarios. Cuando es usada la configuraci\u00f3n por defecto de fish, al cambiar a un directorio son ejecutados autom\u00e1ticamente los comandos \"git\" para mostrar informaci\u00f3n sobre el repositorio actual en el prompt. Si un atacante puede convencer a un usuario para que cambie su directorio actual a uno controlado por el atacante, como en un sistema de archivos compartido o un archivo extra\u00eddo, fish ejecutar\u00e1 comandos arbitrarios bajo el control del atacante. Este problema ha sido corregido en fish versi\u00f3n 3.4.0. Tenga en cuenta que la ejecuci\u00f3n de git en estos directorios, incluyendo el uso de la finalizaci\u00f3n de la pesta\u00f1a git, sigue siendo un potencial desencadenante de este problema. Como medida de mitigaci\u00f3n, elimina la funci\u00f3n \"fish_git_prompt\" del prompt"}], "id": "CVE-2022-20001", "lastModified": "2026-06-17T04:23:29.840", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-20001", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-04-23T15:55:08.869505Z", "version": "2.0.3"}}]}, "published": "2022-03-14T19:15:11.997", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/fish-shell/fish-shell/pull/8589"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/fish-shell/fish-shell/releases/tag/3.4.0"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/fish-shell/fish-shell/security/advisories/GHSA-pj5f-6vxj-f5mq"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPZ7JV22DSZB5LNUCUEJ2HO3PKM2TVVK/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRNMYS2LKB6TKOOBQQRSRQICDMWLZ4QL/"}, {"source": "security-advisories@github.com", "url": "https://security.gentoo.org/glsa/202309-10"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5234"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/fish-shell/fish-shell/pull/8589"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/fish-shell/fish-shell/releases/tag/3.4.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/fish-shell/fish-shell/security/advisories/GHSA-pj5f-6vxj-f5mq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPZ7JV22DSZB5LNUCUEJ2HO3PKM2TVVK/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRNMYS2LKB6TKOOBQQRSRQICDMWLZ4QL/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202309-10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5234"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-427"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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