Headline
GHSA-7jmw-8259-q9jx: Traefik has unexpected behavior with IPv4-mapped IPv6 addresses
Impact
There is a vulnerability in Go managing various Is methods (IsPrivate, IsLoopback, etc) for IPv4-mapped IPv6 addresses.
They didn’t work as expected returning false for addresses which would return true in their traditional IPv4 forms.
References
Patches
- https://github.com/traefik/traefik/releases/tag/v2.11.4
- https://github.com/traefik/traefik/releases/tag/v3.0.2
Workarounds
No workaround.
For more information
If you have any questions or comments about this advisory, please open an issue.
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- GitHub Advisory Database
- GitHub Reviewed
- GHSA-7jmw-8259-q9jx
Traefik has unexpected behavior with IPv4-mapped IPv6 addresses
Moderate severity GitHub Reviewed Published Jun 11, 2024 in traefik/traefik • Updated Jun 11, 2024
Package
gomod github.com/traefik/traefik (Go)
Affected versions
< 2.11.4
gomod github.com/traefik/traefik/v2 (Go)
gomod github.com/traefik/traefik/v3 (Go)
Description
Published to the GitHub Advisory Database
Jun 11, 2024
Last updated
Jun 11, 2024