Description
Dex is an identity service that uses OpenID Connect to drive authentication for other apps. Dex 2.37.0 serves HTTPS with insecure TLS 1.0 and TLS 1.1. `cmd/dex/serve.go` line 425 seemingly sets TLS 1.2 as minimum version, but the whole `tlsConfig` is ignored after `TLS cert reloader` was introduced in v2.37.0. Configured cipher suites are not respected either. This issue is fixed in Dex 2.38.0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| dexidp | dex | = 2.37.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | dex | 2.38.0-r0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/dexidp/dex | >= 2.37.0, < 2.38.0 | 2.38.0 | GHSA-gr79-9v6v-gc9r |
| Go | github.com/dexidp/dex | < 0.0.0-20240125115555-5bbdb4420254 | 0.0.0-20240125115555-5bbdb4420254 | GHSA-gr79-9v6v-gc9r |
| Go | github.com/dexidp/dex | all versions | — | GO-2024-2476 |
References
- https://github.com/dexidp/dex/security/advisories/GHSA-gr79-9v6v-gc9r
- https://github.com/dexidp/dex/issues/2848
- https://github.com/dexidp/dex/pull/2964
- https://github.com/dexidp/dex/commit/5bbdb4420254ba73b9c4df4775fe7bdacf233b17
- https://github.com/dexidp/dex/blob/70d7a2c7c1bb2646b1a540e49616cbc39622fb83/cmd/dex/serve.go#L425