GO-2026-5298 Go-Attestation: Hash injection into trusted measurement list via unskipped SignatureHeaderSize vendor bytes in parseEfiSignatureList() in github.com/google/go-attestation

Go-Attestation: Hash injection into trusted measurement list via unskipped SignatureHeaderSize vendor bytes in parseEfiSignatureList in github.com/google/go-attestation...

GHSA-9R4W-JG96-92MV Go-Attestation: Hash injection into trusted measurement list via unskipped SignatureHeaderSize vendor bytes in parseEfiSignatureList()

Summary parseEfiSignatureList in attest/internal/events.go does not skip SignatureHeaderSize vendor bytes before reading EFISIGNATURELIST signature entries, violating UEFI specification section 31.4.1. Impact For hashSHA256SigGUID lists, attacker-controlled vendor header bytes are appended direct...

Go-Attestation: Hash injection into trusted measurement list via unskipped SignatureHeaderSize vendor bytes in parseEfiSignatureList()

Summary parseEfiSignatureList in attest/internal/events.go does not skip SignatureHeaderSize vendor bytes before reading EFISIGNATURELIST signature entries, violating UEFI specification section 31.4.1. Impact For hashSHA256SigGUID lists, attacker-controlled vendor header bytes are appended direct...