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Stop trusting compromised eMudhra roots in the musl build images #61

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Merged
andrewlock merged 1 commit into from
Oct 30, 2026
Merged

Stop trusting compromised eMudhra roots in the musl build images #61

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7 changes: 7 additions & 0 deletions tools/docker/Dockerfile.musl-aarch64
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Original file line number Diff line number Diff line change
@@ -1,5 +1,12 @@
FROM alpine:3.18

# APPSEC-71273: alpine:3.18 is EOL, so no fixed ca-certificates package ships.
# Blocklist the compromised eMudhra roots (emSign ECC G3, AAA Certificate Services).
RUN apk add --no-cache ca-certificates \
&& sed -i -e 's|^mozilla/emSign_ECC_Root_CA_-_G3.crt|!&|' -e 's|^mozilla/Comodo_AAA_Services_root.crt|!&|' /etc/ca-certificates.conf \
&& rm -f /usr/share/ca-certificates/mozilla/emSign_ECC_Root_CA_-_G3.crt /usr/share/ca-certificates/mozilla/Comodo_AAA_Services_root.crt \
&& update-ca-certificates

# Pinned to alpine:3.18 to match dd-trace-dotnet's aarch64 musl build environment
# (tracer/build/_build/docker/alpine.build.arm64.dockerfile). No prebuilt
# rust:alpine3.18 image exists since Alpine 3.18 reached EOL, so Rust is installed
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7 changes: 7 additions & 0 deletions tools/docker/Dockerfile.musl-x64
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@@ -1,5 +1,12 @@
FROM alpine:3.17

# APPSEC-71273: alpine:3.17 is EOL, so no fixed ca-certificates package ships.
# Blocklist the compromised eMudhra roots (emSign ECC G3, AAA Certificate Services).
RUN apk add --no-cache ca-certificates \
&& sed -i -e 's|^mozilla/emSign_ECC_Root_CA_-_G3.crt|!&|' -e 's|^mozilla/Comodo_AAA_Services_root.crt|!&|' /etc/ca-certificates.conf \
&& rm -f /usr/share/ca-certificates/mozilla/emSign_ECC_Root_CA_-_G3.crt /usr/share/ca-certificates/mozilla/Comodo_AAA_Services_root.crt \
&& update-ca-certificates

# Pinned to alpine:3.17 to match dd-trace-dotnet's musl build environment
# (tracer/build/_build/docker/alpine.build.dockerfile). No prebuilt rust:alpine3.17
# image exists since Alpine 3.17 reached EOL, so Rust is installed via rustup below.
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