CVE-2021-22569

NameCVE-2021-22569
DescriptionAn issue in protobuf-java allowed the interleaving of com.google.protobuf.UnknownFieldSet fields in such a way that would be processed out of order. A small malicious payload can occupy the parser for several minutes by creating large numbers of short-lived objects that cause frequent, repeated pauses. We recommend upgrading libraries beyond the vulnerable versions.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
protobuf (PTS)buster3.6.1.3-2vulnerable
bookworm, sid, bullseye3.12.4-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
protobufsourceexperimental3.19.3-1
protobufsource(unstable)(unfixed)

Notes

[bullseye] - protobuf <no-dsa> (Minor issue)
[buster] - protobuf <no-dsa> (Minor issue)
[stretch] - protobuf <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2022/01/12/4
https://cloud.google.com/support/bulletins#gcp-2022-001
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39330 (unclear, might be bogus)
https://github.com/protocolbuffers/protobuf/pull/9371/commits/5ea2bdf6d7483d64a6b02fcf00ee51fbfb80e847

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