MEDIUM 5.8

GHSA-wvp2-4qqp-4h3r

Ghost: Private IP filtering bypass to make server-side requests to internal services

빠른 조치

GHSA-wvp2-4qqp-4h3r — ghost: 아래 명령으로 수정 버전으로 올리세요.

npm install ghost@6.21.1

상세

### Impact

When making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a private IPv4 address.

### Vulnerable versions

This vulnerability is present in Ghost from v6.0.9 up to v6.21.0.

### Patches

v6.21.1 contains a fix for this issue.

### How to update

For self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost).

If your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update).

### References

Ghost thanks [l3tchupkt](http://github.com/l3tchupkt) for disclosing this vulnerability responsibly.

### For more information

If you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).

이 버전이 영향받나요?

사용 중인 패키지 버전을 입력하면 즉시 평가합니다.

영향 패키지

npm / ghost

최초 영향 버전: 6.0.9 수정 버전: 6.21.1

수정 npm install ghost@6.21.1

상세

이 버전이 영향받나요?

영향 패키지

참고