HIGH

GHSA-f6jh-hvg2-9525

crystals-go vulnerable to KyberSlash (timing side-channel attack for Kyber)

Quick fix

GHSA-f6jh-hvg2-9525 — github.com/kudelskisecurity/crystals-go: upgrade to the fixed version with the command below.

go get github.com/kudelskisecurity/crystals-go@v0.0.0-20240116172146-2a6ca2d4e64d

Details

### Impact On some platforms, when an attacker can time decapsulation of Kyber on forged cipher texts, they could possibly learn (parts of) the secret key.

### Patches Patched in https://github.com/kudelskisecurity/crystals-go/pull/21

### Note This library was written as part of a MsC student project in the Cybersecurity Team at Kudelski Security. It is not actively maintained anymore. It is only intended for research and testing. We discourage its use in any production environment. Kudelski Security does not use this library as part of their commercial offers or product. This has now been clarified on the project's README.

### References https://groups.google.com/a/list.nist.gov/g/pqc-forum/c/ldX0ThYJuBo http://kyberslash.cr.yp.to/

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/kudelskisecurity/crystals-go

Introduced in: 0Fixed in: 0.0.0-20240116172146-2a6ca2d4e64d

Fixgo get github.com/kudelskisecurity/crystals-go@v0.0.0-20240116172146-2a6ca2d4e64d