CVE-2021-23632

{"containers": {"cna": {"affected": [{"product": "git", "vendor": "n/a", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Paul-Emmanuel Raoul of SkypLabs"}], "datePublic": "2022-03-17T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "All versions of package git are vulnerable to Remote Code Execution (RCE) due to missing sanitization in the Git.git method, which allows execution of OS commands rather than just git commands. Steps to Reproduce 1. Create a file named exploit.js with the following content: js var Git = require(\"git\").Git; var repo = new Git(\"repo-test\"); var user_input = \"version; date\"; repo.git(user_input, function(err, result) { console.log(result); }) 2. In the same directory as exploit.js, run npm install git. 3. Run exploit.js: node exploit.js. You should see the outputs of both the git version and date command-lines. Note that the repo-test Git repository does not need to be present to make this PoC work."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Remote Code Execution (RCE)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-03-17T11:20:22.000Z", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-JS-GIT-1568518"}], "title": "Remote Code Execution (RCE)", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "DATE_PUBLIC": "2022-03-17T11:16:18.518275Z", "ID": "CVE-2021-23632", "STATE": "PUBLIC", "TITLE": "Remote Code Execution (RCE)"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "git", "version": {"version_data": [{"version_affected": ">=", "version_value": "0"}]}}]}, "vendor_name": "n/a"}]}}, "credit": [{"lang": "eng", "value": "Paul-Emmanuel Raoul of SkypLabs"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "All versions of package git are vulnerable to Remote Code Execution (RCE) due to missing sanitization in the Git.git method, which allows execution of OS commands rather than just git commands. Steps to Reproduce 1. Create a file named exploit.js with the following content: js var Git = require(\"git\").Git; var repo = new Git(\"repo-test\"); var user_input = \"version; date\"; repo.git(user_input, function(err, result) { console.log(result); }) 2. In the same directory as exploit.js, run npm install git. 3. Run exploit.js: node exploit.js. You should see the outputs of both the git version and date command-lines. Note that the repo-test Git repository does not need to be present to make this PoC work."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Remote Code Execution (RCE)"}]}]}, "references": {"reference_data": [{"name": "https://snyk.io/vuln/SNYK-JS-GIT-1568518", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-JS-GIT-1568518"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:14:08.815Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://snyk.io/vuln/SNYK-JS-GIT-1568518"}]}]}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2021-23632", "datePublished": "2022-03-17T11:20:22.259Z", "dateReserved": "2021-01-08T00:00:00.000Z", "dateUpdated": "2024-09-16T17:38:11.969Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "git", "vendor": "n/a", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "report@snyk.io"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:git_project:git:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "74AD340A-AE3C-4147-A9F3-92B843F243B7", "versionEndIncluding": "0.1.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "All versions of package git are vulnerable to Remote Code Execution (RCE) due to missing sanitization in the Git.git method, which allows execution of OS commands rather than just git commands. Steps to Reproduce 1. Create a file named exploit.js with the following content: js var Git = require(\"git\").Git; var repo = new Git(\"repo-test\"); var user_input = \"version; date\"; repo.git(user_input, function(err, result) { console.log(result); }) 2. In the same directory as exploit.js, run npm install git. 3. Run exploit.js: node exploit.js. You should see the outputs of both the git version and date command-lines. Note that the repo-test Git repository does not need to be present to make this PoC work."}, {"lang": "es", "value": "Todas las versiones del paquete git son vulnerables a Una Ejecuci\u00f3n de C\u00f3digo Remota (RCE) debido a una falta de saneo en el m\u00e9todo Git.git, que permite una ejecuci\u00f3n de comandos del Sistema Operativo en lugar de s\u00f3lo comandos de git. Pasos para reproducirlo 1. Crear un archivo llamado exploit.js con el siguiente contenido: js var Git = require(\"git\").Git; var repo = new Git(\"repo-test\"); var user_input = \"version; date\"; repo.git(user_input, function(err, result) { console.log(result); }) 2. En el mismo directorio que exploit.js, ejecutar npm install git. 3. Ejecuta exploit.js: node exploit.js. Deber\u00edas ver las salidas de las l\u00edneas de comandos de git version y date. Ten en cuenta que el repositorio Git repo-test no necesita estar presente para que este PoC funcione"}], "id": "CVE-2021-23632", "lastModified": "2026-06-17T03:38:50.867", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 5.9, "source": "report@snyk.io", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-17T12:15:07.680", "references": [{"source": "report@snyk.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-GIT-1568518"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-GIT-1568518"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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