CVE-2021-37219

NameCVE-2021-37219
DescriptionHashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1015218

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
consul (PTS)buster1.0.7~dfsg1-5vulnerable
bullseye1.8.7+dfsg1-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
consulsourcebullseye(unfixed)end-of-life
consulsource(unstable)1.8.7+dfsg1-61015218

Notes

[bullseye] - consul <end-of-life> (EOL in Bullseye)
[buster] - consul <ignored> (Minor issue; intrusive to backport)
https://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024
https://github.com/hashicorp/consul/commit/ccf8eb1947357434eb6e66303ddab79f4c9d4103

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