CVE-2023-32732

NameCVE-2023-32732
DescriptiongRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit inĀ  https://github.com/grpc/grpc/pull/32309 https://www.google.com/url
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1059280

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
grpc (PTS)buster1.16.1-1vulnerable
bullseye1.30.2-3vulnerable
bookworm1.51.1-3vulnerable
sid, trixie1.51.1-5vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
grpcsource(unstable)(unfixed)1059280

Notes

[bookworm] - grpc <no-dsa> (Minor issue)
[bullseye] - grpc <no-dsa> (Minor issue)
[buster] - grpc <postponed> (Minor issue; request smuggling; recheck whether fixed or introduced by #32309 when CVE description is updated)
https://github.com/grpc/grpc/pull/32309
CVE description and fix are sensible, but there seem to be confusion: https://github.com/grpc/grpc/pull/32309#issuecomment-1589703522

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