CVE-2023-4785

NameCVE-2023-4785
DescriptionLack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1059281

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
trixie1.51.1-4vulnerable
sid1.51.1-4.1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
grpcsource(unstable)(unfixed)1059281

Notes

[bookworm] - grpc <no-dsa> (Minor issue)
[bullseye] - grpc <no-dsa> (Minor issue)
[buster] - grpc <no-dsa> (Minor issue)
https://github.com/grpc/grpc/pull/33656
https://github.com/grpc/grpc/pull/33667
https://github.com/grpc/grpc/pull/33669
https://github.com/grpc/grpc/pull/33670
https://github.com/grpc/grpc/pull/33672

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