GHSA-88h9-xgvx-hvf2
@grpc/grpc-js: The exact path match matcher incorrectly only applies a prefix match for case-insensitive matches
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @grpc/grpc-js-xds | < 1.13.1 | 1.13.1 |
| npm | @grpc/grpc-js-xds | >= 1.14.0, < 1.14.1 | 1.14.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
When using RBAC to apply authentication rules, the exact path (method name) matcher applies a prefix match instead of an exact match for case-insensitive matches. As a result, if a service has a method with a name that is a prefix of the name of a different method, and they have different access rules, and case-insensitive matching is used, this bug can cause improper authentication.
### Patches
This vulnerability is fixed in 1.13.1 and 1.14.1.
### Workarounds
This problem can be avoided by enabling case-sensitive path matching.
References
External links from the advisory. They lead to third-party sites.
- https://github.com/grpc/grpc-node/security/advisories/GHSA-88h9-xgvx-hvf2
- https://github.com/grpc/grpc-node/commit/6cf64b596da03f1942a6b168998f0670217a99c4
- https://github.com/grpc/grpc-node/commit/a6c5b31180cc8cea94d0a5ea215ce31a49e0409f
- https://github.com/grpc/grpc-node/commit/f32f3712e44581d8dfc8359bd8d30096662f4c75
- https://github.com/grpc/grpc-node
- https://github.com/grpc/grpc-node/releases/tag/@grpc/grpc-js-xds%401.13.1
- https://github.com/grpc/grpc-node/releases/tag/@grpc/grpc-js-xds%401.14.1