CVE-2021-22116

NameCVE-2021-22116
DescriptionRabbitMQ all versions prior to 3.8.16 are prone to a denial of service vulnerability due to improper input validation in AMQP 1.0 client connection endpoint. A malicious user can exploit the vulnerability by sending malicious AMQP messages to the target RabbitMQ instance having the AMQP 1.0 plugin enabled.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2710-1
Debian Bugs989056

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rabbitmq-server (PTS)jessie, jessie (lts)3.3.5-1.1+deb8u1vulnerable
stretch (security)3.6.6-1+deb9u2fixed
stretch (lts), stretch3.6.6+really3.8.9-0+deb9u2fixed
buster (security), buster, buster (lts)3.8.2-1+deb10u2vulnerable
bullseye (security), bullseye3.8.9-3+deb11u1vulnerable
bookworm (security), bookworm3.10.8-1.1+deb12u1fixed
sid, trixie3.10.8-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
rabbitmq-serversourcejessie(unfixed)end-of-life
rabbitmq-serversourcestretch3.6.6-1+deb9u1DLA-2710-1
rabbitmq-serversource(unstable)3.9.4-1989056

Notes

[bullseye] - rabbitmq-server <no-dsa> (Minor issue)
[buster] - rabbitmq-server <no-dsa> (Minor issue)
https://tanzu.vmware.com/security/cve-2021-22116
https://github.com/rabbitmq/rabbitmq-server/pull/2953
Fixed by: https://github.com/rabbitmq/rabbitmq-server/commit/f37a31de55229e6c763215500e376fa16803390b (v3.9.0-beta.1)
Fixed by: https://github.com/rabbitmq/rabbitmq-server/commit/626d5219115d087a2695c0eb243c7ddb7e154563 (v3.8.15-rc.2)

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