Critical severityNVD Advisory· Published May 10, 2021· Updated Aug 3, 2024
Creation of Temporary File in Directory with Insecure Permissions in the OpenAPI-Generator online generator
CVE-2021-21428
Description
Openapi generator is a java tool which allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec. openapi-generator-online creates insecure temporary folders with File.createTempFile during the code generation process. The insecure temporary folders store the auto-generated files which can be read and appended to by any users on the system. The issue has been patched with Files.createTempFile and released in the v5.1.0 stable version.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.openapitools:openapi-generator-onlineMaven | < 5.1.0 | 5.1.0 |
Affected products
2- Range: < 5.1.0
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-23x4-m842-fmwfghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21428ghsaADVISORY
- github.com/OpenAPITools/openapi-generator/blob/c6530519975341d7784a252132b2f0854f488901/modules/openapi-generator-online/src/main/java/org/openapitools/codegen/online/service/Generator.javaghsaWEB
- github.com/OpenAPITools/openapi-generator/pull/8788ghsax_refsource_MISCWEB
- github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-23x4-m842-fmwfghsax_refsource_CONFIRMWEB
- github.com/swagger-api/swagger-codegen/security/advisories/GHSA-pc22-3g76-gm6jghsaWEB
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