HIGH8.3
GHSA-fpg8-7664-jc5q
melange: Incomplete package integrity verification allows data section substitution
Quick fix
GHSA-fpg8-7664-jc5q — chainguard.dev/apko: upgrade to the fixed version with the command below.
go get chainguard.dev/apko@v1.2.9Details
Previously, Apko verified the control section hash (`.PKGINFO` etc.) against the signed `APKINDEX`, but never verified the data section hash (the actual package files that get installed). An attacker who could compromise a mirror, poison a cache, or MITM a package fetch could substitute arbitrary file contents while the control hash check still passed.
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