kas's late signature validation may allow unnoticed repository manipulations

ImpactSo far, kas checks out and processes repositories regarding configuration includes prior to validating signatures of those repositories. This may allow to replace on original repository with one under the control of an attacker under very specific conditions.First of all, the attacker must...

kas checks out SHA-like git branches as valid commits

Impact When relying solely on a git commit ID SHA-1 or SHA-256 to qualify if a checkout of a repository is equivalent to the state validated while adding its commit ID to a kas configuration, users may be tricked to check out a branch of the same name from this repository. This implies that the...