GO-2022-0326 Improper certificate validation in github.com/sigstore/cosign

Cosign can be manipulated to claim that an entry for a signature in the OCI registry exists in the Rekor transparency log even if it does not. This requires the attacker to have pull and push permissions for the signature in OCI. This can happen with both standard signing with a keypair and...

SUSE CVE-2022-23649

Cosign provides container signing, verification, and storage in an OCI registry for the sigstore project. Prior to version 1.5.2, Cosign can be manipulated to claim that an entry for a signature exists in the Rekor transparency log even if it doesn't. This requires the attacker to have pull and...

GHSA-VJXV-45G9-9296 cosign's `cosign verify-attestaton --type` can report a false positive if any attestation exists

cosign verify-attestation used with the --type flag will report a false positive verification when: - There is at least one attestation with a valid signature - There are NO attestations of the type being verified --type defaults to "custom" This can happen when signing with a standard keypair an...

CVE-2022-35929

A flaw was found in the cosign package. The cosign verify-attestation used with the --type flag will report a false positive verification when there is at least one attestation with a valid signature and when there are no attestations of the type being verified for example, —type defaults to...

CVE-2022-35929 False positive signature verification in cosign

cosign is a container signing and verification utility. In versions prior to 1.10.1 cosign can report a false positive if any attestation exists. cosign verify-attestation used with the --type flag will report a false positive verification when there is at least one attestation with a valid...

CVE-2022-23649

Cosign provides container signing, verification, and storage in an OCI registry for the sigstore project. Prior to version 1.5.2, Cosign can be manipulated to claim that an entry for a signature exists in the Rekor transparency log even if it doesn't. This requires the attacker to have pull and...