Vulnerabilites related to swagger-api - swagger-codegen
CVE-2021-21363 (GCVE-0-2021-21363)
Vulnerability from cvelistv5
Published
2021-03-11 03:05
Modified
2024-08-03 18:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
swagger-codegen is an open-source project which contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition. In swagger-codegen before version 2.4.19, on Unix like systems, the system's temporary directory is shared between all users on that system. A collocated user can observe the process of creating a temporary sub directory in the shared temporary directory and race to complete the creation of the temporary subdirectory. This vulnerability is local privilege escalation because the contents of the `outputFolder` can be appended to by an attacker. As such, code written to this directory, when executed can be attacker controlled. For more details refer to the referenced GitHub Security Advisory. This vulnerability is fixed in version 2.4.19. Note this is a distinct vulnerability from CVE-2021-21364.
References
► | URL | Tags |
---|---|---|
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
swagger-api | swagger-codegen |
Version: < 2.4.19 |
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In swagger-codegen before version 2.4.19, on Unix like systems, the system\u0027s temporary directory is shared between all users on that system. A collocated user can observe the process of creating a temporary sub directory in the shared temporary directory and race to complete the creation of the temporary subdirectory. This vulnerability is local privilege escalation because the contents of the `outputFolder` can be appended to by an attacker. As such, code written to this directory, when executed can be attacker controlled. For more details refer to the referenced GitHub Security Advisory. This vulnerability is fixed in version 2.4.19. Note this is a distinct vulnerability from CVE-2021-21364." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-379", "description": "CWE-379 Creation of Temporary File in Directory with Incorrect Permissions", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-378", "description": "CWE-378: Creation of Temporary File With Insecure Permissions", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-03-11T03:05:23", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/swagger-api/swagger-codegen/security/advisories/GHSA-pc22-3g76-gm6j" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/swagger-api/swagger-codegen/commit/987ea7a30b463cc239580d6ad166c707ae942a89" } ], "source": { "advisory": "GHSA-pc22-3g76-gm6j", "discovery": "UNKNOWN" }, "title": "Generator Web Application: Local Privilege Escalation Vulnerability via System Temp Directory", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21363", "STATE": "PUBLIC", "TITLE": "Generator Web Application: Local Privilege Escalation Vulnerability via System Temp Directory" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "swagger-codegen", "version": { "version_data": [ { "version_value": "\u003c 2.4.19" } ] } } ] }, "vendor_name": "swagger-api" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "swagger-codegen is an open-source project which contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition. 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Note this is a distinct vulnerability from CVE-2021-21364." } ] }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-379 Creation of Temporary File in Directory with Incorrect Permissions" } ] }, { "description": [ { "lang": "eng", "value": "CWE-378: Creation of Temporary File With Insecure Permissions" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/swagger-api/swagger-codegen/security/advisories/GHSA-pc22-3g76-gm6j", "refsource": "CONFIRM", "url": "https://github.com/swagger-api/swagger-codegen/security/advisories/GHSA-pc22-3g76-gm6j" }, { "name": "https://github.com/swagger-api/swagger-codegen/commit/987ea7a30b463cc239580d6ad166c707ae942a89", "refsource": "MISC", "url": "https://github.com/swagger-api/swagger-codegen/commit/987ea7a30b463cc239580d6ad166c707ae942a89" } ] }, "source": { "advisory": "GHSA-pc22-3g76-gm6j", "discovery": "UNKNOWN" } } } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21363", "datePublished": "2021-03-11T03:05:23", "dateReserved": "2020-12-22T00:00:00", "dateUpdated": "2024-08-03T18:09:16.080Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
CVE-2021-21364 (GCVE-0-2021-21364)
Vulnerability from cvelistv5
Published
2021-03-11 03:05
Modified
2024-08-03 18:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
swagger-codegen is an open-source project which contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition. In swagger-codegen before version 2.4.19, on Unix-Like systems, the system temporary directory is shared between all local users. When files/directories are created, the default `umask` settings for the process are respected. As a result, by default, most processes/apis will create files/directories with the permissions `-rw-r--r--` and `drwxr-xr-x` respectively, unless an API that explicitly sets safe file permissions is used. Because this vulnerability impacts generated code, the generated code will remain vulnerable until fixed manually! This vulnerability is fixed in version 2.4.19. Note this is a distinct vulnerability from CVE-2021-21363.
References
► | URL | Tags |
---|---|---|
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
swagger-api | swagger-codegen |
Version: < 2.4.19 |
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