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GHSA-869c-j7wc-8jqv

Gin mishandles a wildcard at the end of an origin string

Source: GitHub Advisory Database (reviewed) Critical CVE-2019-25211

Packages

EcosystemPackageAffectedFixed in
Go github.com/gin-gonic/gin < 1.6.0 1.6.0
Go github.com/gin-contrib/cors < 1.6.0 1.6.0

Details

As written in the advisory (Markdown source, shown as plain text).

parseWildcardRules in Gin-Gonic CORS middleware before 1.6.0 mishandles a wildcard at the end of an origin string, e.g., https://example.community/* is allowed when the intention is that only https://example.com/* should be allowed, and http://localhost.example.com/* is allowed when the intention is that only http://localhost/* should be allowed.

References

External links from the advisory. They lead to third-party sites.